177 条题解
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-1
hetao2353460
LV 9
@ 2022-7-31 20:35:35
这题是很基础的C++代码，理解思路是先输入变量a、b，在输出a + b的和，上代码！烦请各位支持一下小编~~~
#include <bits/stdc++.h> using namespace std; int main() { int a,b; cin >> a >> b; cout << a + b; return 0; } -
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hetao1865162
LV 1
@ 2024-1-27 12:33:04
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-2
hetao4035429 LV 4 @ 2023-11-12 15:28:24
特此声明，以上代码来自洛谷网站与CSDN，# hetao2909413 (𝐀𝐊𝐀奥利给)，hetao138043 (言射兼)转载请附加。 {我只管搬运
别看我啊，我上面都是犇牪牛
``` #pragma GCC diagnostic error "-std=c++11" #pragma GCC target("avx") #pragma GCC optimize(1) #pragma GCC optimize(2) #pragma GCC optimize(3) #pragma GCC optimize("Ofast") #pragma GCC optimize("inline") #pragma GCC optimize("-fgcse") #pragma GCC optimize("-fgcse-lm") #pragma GCC optimize("-fipa-sra") #pragma GCC optimize("-ftree-pre") #pragma GCC optimize("-ftree-vrp") #pragma GCC optimize("-fpeephole2") #pragma GCC optimize("-ffast-math") #pragma GCC optimize("-fsched-spec") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-falign-jumps") #pragma GCC optimize("-falign-loops") #pragma GCC optimize("-falign-labels") #pragma GCC optimize("-fdevirtualize") #pragma GCC optimize("-fcaller-saves") #pragma GCC optimize("-fcrossjumping") #pragma GCC optimize("-fthread-jumps") #pragma GCC optimize("-funroll-loops") #pragma GCC optimize("-fwhole-program") #pragma GCC optimize("-freorder-blocks") #pragma GCC optimize("-fschedule-insns") #pragma GCC optimize("inline-functions") #pragma GCC optimize("-ftree-tail-merge") #pragma GCC optimize("-fschedule-insns2") #pragma GCC optimize("-fstrict-aliasing") #pragma GCC optimize("-fstrict-overflow") #pragma GCC optimize("-falign-functions") #pragma GCC optimize("-fcse-skip-blocks") #pragma GCC optimize("-fcse-follow-jumps") #pragma GCC optimize("-fsched-interblock") #pragma GCC optimize("-fpartial-inlining") #pragma GCC optimize("no-stack-protector") #pragma GCC optimize("-freorder-functions") #pragma GCC optimize("-findirect-inlining") #pragma GCC optimize("-fhoist-adjacent-loads") #pragma GCC optimize("-frerun-cse-after-loop") #pragma GCC optimize("inline-small-functions") #pragma GCC optimize("-finline-small-functions") #pragma GCC optimize("-ftree-switch-conversion") #pragma GCC optimize("-foptimize-sibling-calls") #pragma GCC optimize("-fexpensive-optimizations") #pragma GCC optimize("-funsafe-loop-optimizations") #pragma GCC optimize("inline-functions-called-once") #pragma GCC optimize("-fdelete-null-pointer-checks") #include <algorithm> //STL 通用算法 #include <bitset> //STL 位集容器 #include <cctype> //字符处理 #include <cerrno> //定义错误码 #include <cfloat> //浮点数处理 #include <ciso646> //对应各种运算符的宏 #include <climits> //定义各种数据类型最值的常量 #include <clocale> //定义本地化函数 #include <cmath> //定义数学函数 #include <complex> //复数类 #include <csignal> //信号机制支持 #include <csetjmp> //异常处理支持 #include <cstdarg> //不定参数列表支持 #include <cstddef> //常用常量 #include <cstdio> //定义输入／输出函数 #include <cstdlib> //定义杂项函数及内存分配函数 #include <cstring> //字符串处理 #include <ctime> //定义关于时间的函数 #include <cwchar> //宽字符处理及输入／输出 #include <cwctype> //宽字符分类 #include <deque> //STL 双端队列容器 #include <exception> //异常处理类 #include <fstream> //文件输入／输出 #include <functional> //STL 定义运算函数（代替运算符） #include <limits> //定义各种数据类型最值常量 #include <list> //STL 线性列表容器 #include <locale> //本地化特定信息 #include <map> //STL 映射容器 #include <memory> //STL通过分配器进行的内存分配 #include <new> //动态内存分配 #include <numeric> //STL常用的数字操作 #include <iomanip> //参数化输入／输出 #include <ios> //基本输入／输出支持 #include <iosfwd> //输入／输出系统使用的前置声明 #include <iostream> //数据流输入／输出 #include <istream> //基本输入流 #include <iterator> //STL迭代器 #include <ostream> //基本输出流 #include <queue> //STL 队列容器 #include <set> //STL 集合容器 #include <sstream> //基于字符串的流 #include <stack> //STL 堆栈容器 #include <stdexcept> //标准异常类 #include <streambuf> //底层输入／输出支持 #include <string> //字符串类 #include <typeinfo> //运行期间类型信息 #include <utility> //STL 通用模板类 #include <valarray> //对包含值的数组的操作 #include <vector> //STL 动态数组容器 #include <bits/stdc++.h> //万能头文件 using namespace std; int main() {
int pow(int a,int b){//简单较慢的快速幂,但是很简单 if(b==0)//递归边界之一:a^0=1(暂且不考虑a=0) return 1; if(b==1)//递归边界之二:a^1=a return a; if(b==2)//递归边界之三:a^2=a*a return a*a; if(b%2==0)//快速幂的核心递归部分:当2|b时,a^b=(a^(b/2))^2 return pow(pow(a,b/2),2); else//递归部分:当b%2=1时,a^b=a^(b-1)*a return pow(a,b-1)*a; } struct integer { short i[126];//四位一压,所以共有126*4=504位,不会爆 bool pn;//我还考虑了符号...... integer( ){//构造函数初始化 int j; pn=false; for(j=0;j<126;j++) i[j]=0; }//这个应该都看得懂吧...... void read( ){//成员函数负责读入 int j,k,m=0,n=0; char ii[504]={0}; bool zero=true; scanf("%s",ii);//读入 if(ii[0]=='-')//正负处理 pn=true; else pn=false; for(j=503;j>-1;j--)//处理绝对值 if(ii[j]>0){//找到个位 for(k=j;k>-1;k--) if(ii[k]>='0' && ii[k]<='9') { n++; i[m]+=pow(10,n-1)*(ii[k]-'0');//这一步最难懂,慢慢琢磨,想一想怎么往高插入 if(n==4){//四位一压,别过界 n=0; m++; } } break; } for(j=0;j<126;j++) if(i[j]>0) zero=false; if(zero) pn=false; return; } void write( ){//成员函数负责输出 int j,k,a,b,c,d; bool zero=true; for(j=0;j<126;j++)//分清楚0和-0是一码事 if(i[j]>0) zero=false; if(zero) pn=false; if(pn)//负号 putchar('-'); for(j=125;j>-1;j--)//找到最高位 if(i[j]>0) { cout<<i[j];//省略前导0 for(k=j-1;k>-1;k--){//一定注意这里不能省略前导0!!!这也是为什么四位一压麻烦的原因之一 a=i[k]/1000; b=i[k]/100%10; c=i[k]/10%10; d=i[k]%10; putchar(a+'0'); putchar(b+'0'); putchar(c+'0'); putchar(d+'0'); } return; } putchar('0');//如果自始至终都是0(不进循环,即本数为0),输出0 return; } integer operator=(const int a){//把int型转化成integer自定义型 int b,j,k; bool zero=true; b=a;//注意a是const类型,不可改变! if(a<0){//对负数的处理 b=-b; pn=true; } else pn=false; for(j=0;j<126;j++){//想一想,为什么是10000不是10 i[j]=b%10000; b/=10000; if(b==0){ for(k=j+1;k<126;k++) i[k]=0; break; } } for(j=0;j<126;j++)//还是那句话,分清楚0和-0是一码事 if(i[j]>0) zero=false; if(zero) pn=false; return *this; } integer(int a){//重载运算符里最难懂的部分,注意一定要有这个(只要你有对赋值语句的重载最好都加上) *this=a; } integer operator+(const integer &a){//对加号的重载 integer b; int j; bool zero=true; if(*this==0)//0加任何数,仍得这个数 return a; else if(a==0) return *this; if(pn==a.pn){//同号两数相加,取相同的符号,并把绝对值相加 b.pn=pn; for(j=0;j<125;j++){ b.i[j]+=i[j]+a.i[j]; b.i[j+1]+=b.i[j]/10000;//还是那个问题,想想为什么是10000不是10 b.i[j]=b.i[j]%10000; } b.i[125]+=i[125]+a.i[125];//专防数组越界(即访问无效内存) b.i[j]=b.i[j]%10000; for(j=0;j<126;j++)//不多说了,你懂的 if(b.i[j]>0) zero=false; if(zero) b.pn=false; return b; } else{//异号两数相加,取绝对值较大数的符号,并把绝对值相减 int tw=0; integer x,y; x.pn=false; y.pn=false; for(j=0;j<126;j++){ x.i[j]=i[j]; y.i[j]=a.i[j]; } if(x>y){//判断哪个数的绝对值大 b.pn=pn; for(j=0;j<126;j++){ b.i[j]=i[j]-a.i[j]-tw; tw=0; if(b.i[j]<0){ b.i[j]+=10000; tw++; } } for(j=0;j<126;j++) if(b.i[j]>0) zero=false; if(zero) b.pn=false; return b; } else if(x<y){ b.pn=a.pn; for(j=0;j<126;j++){ b.i[j]=a.i[j]-i[j]-tw; tw=0; if(b.i[j]<0){ b.i[j]+=10000; tw++; } } for(j=0;j<126;j++) if(b.i[j]>0) zero=false; if(zero) b.pn=false; return b; } else{//互为相反数的两个数和为0 b=0; for(j=0;j<126;j++) if(i[j]>0) zero=false; if(zero) pn=false; return b; } } } bool operator>(const integer &a)const{//判断大小 int j; if(pn && (!a.pn))//负数小于正数 return false; else if((!pn) && a.pn)//正数大于负数 return true; else if(pn){//两个负数比较,绝对值大的反而小 for(j=125;j>-1;j--){ if(i[j]<a.i[j]) return true; else if(i[j]>a.i[j]) return false; } return false; } else{//两个正数比较,绝对值大的就大 for(j=125;j>-1;j--){ if(i[j]>a.i[j]) return true; else if(i[j]<a.i[j]) return false; } return false;//相等返回false } } bool operator<(const integer &a)const{//小于即大于的完全相反 return a>(*this); } bool operator==(const integer &a)const{//等于即既不大于又不小于 return !(*this>a || *this<a); } bool operator>=(const integer &a)const{//大于等于即不小于 return !(*this<a); } bool operator<=(const integer &a)const{//小于等于即不大于 return !(*this>a); } bool operator!=(const integer &a)const{//不等于就是不等于嘛 return !(*this==a); } }; int main( ) { a,b = tuple(map(int, input().split(" "))) if a == 1: if b == 1: print(2) if b == 2: print(3) if b == 3: print(4) if b == 4: print(5) if b == 5: print(6) if b == 6: print(7) if b == 7: print(8) if b == 8: print(9) if b == 9: print(10) if b == 10: print(11) if b == 11: print(12) if b == 12: print(13) if b == 13: print(14) if b == 14: print(15) if b == 15: print(16) if b == 16: print(17) if b == 17: print(18) if b == 18: print(19) if b == 19: print(20) if b == 20: print(21) if b == 21: print(22) if b == 22: print(23) if b == 23: print(24) if b == 24: print(25) if b == 25: print(26) if b == 26: print(27) if b == 27: print(28) if b == 28: print(29) if b == 29: print(30) if b == 30: print(31) if b == 31: print(32) if b == 32: print(33) if b == 33: print(34) if b == 34: print(35) if b == 35: print(36) if b == 36: print(37) if b == 37: print(38) if b == 38: print(39) if b == 39: print(40) if b == 40: print(41) if b == 41: print(42) if b == 42: print(43) if b == 43: print(44) if b == 44: print(45) if b == 45: print(46) if b == 46: print(47) if b == 47: print(48) if b == 48: print(49) if b == 49: print(50) if b == 50: print(51) if b == 51: print(52) if b == 52: print(53) if b == 53: print(54) if b == 54: print(55) if b == 55: print(56) if b == 56: print(57) if b == 57: print(58) if b == 58: print(59) if b == 59: print(60) if b == 60: print(61) if b == 61: print(62) if b == 62: print(63) if b == 63: print(64) if b == 64: print(65) if b == 65: print(66) if b == 66: print(67) if b == 67: print(68) if b == 68: print(69) if b == 69: print(70) if b == 70: print(71) if b == 71: print(72) if b == 72: print(73) if b == 73: print(74) if b == 74: print(75) if b == 75: print(76) if b == 76: print(77) if b == 77: print(78) if b == 78: print(79) if b == 79: print(80) if b == 80: print(81) if b == 81: print(82) if b == 82: print(83) if b == 83: print(84) if b == 84: print(85) if b == 85: print(86) if b == 86: print(87) if b == 87: print(88) if b == 88: print(89) if b == 89: print(90) if b == 90: print(91) if b == 91: print(92) if b == 92: print(93) if b == 93: print(94) if b == 94: print(95) if b == 95: print(96) if b == 96: print(97) if b == 97: print(98) if b == 98: print(99) if b == 99: print(100) if b == 100: print(101) elif a == 2: if b == 1: print(3) if b == 2: print(4) if b == 3: print(5) if b == 4: print(6) if b == 5: print(7) if b == 6: print(8) if b == 7: print(9) if b == 8: print(10) if b == 9: print(11) if b == 10: print(12) if b == 11: print(13) if b == 12: print(14) if b == 13: print(15) if b == 14: print(16) if b == 15: print(17) if b == 16: print(18) if b == 17: print(19) if b == 18: print(20) if b == 19: print(21) if b == 20: print(22) if b == 21: print(23) if b == 22: print(24) if b == 23: print(25) if b == 24: print(26) if b == 25: print(27) if b == 26: print(28) if b == 27: print(29) if b == 28: print(30) if b == 29: print(31) if b == 30: print(32) if b == 31: print(33) if b == 32: print(34) if b == 33: print(35) if b == 34: print(36) if b == 35: print(37) if b == 36: print(38) if b == 37: print(39) if b == 38: print(40) if b == 39: print(41) if b == 40: print(42) if b == 41: print(43) if b == 42: print(44) if b == 43: print(45) if b == 44: print(46) if b == 45: print(47) if b == 46: print(48) if b == 47: print(49) if b == 48: print(50) if b == 49: print(51) if b == 50: print(52) if b == 51: print(53) if b == 52: print(54) if b == 53: print(55) if b == 54: print(56) if b == 55: print(57) if b == 56: print(58) if b == 57: print(59) if b == 58: print(60) if b == 59: print(61) if b == 60: print(62) if b == 61: print(63) if b == 62: print(64) if b == 63: print(65) if b == 64: print(66) if b == 65: print(67) if b == 66: print(68) if b == 67: print(69) if b == 68: print(70) if b == 69: print(71) if b == 70: print(72) if b == 71: print(73) if b == 72: print(74) if b == 73: print(75) if b == 74: print(76) if b == 75: print(77) if b == 76: print(78) if b == 77: print(79) if b == 78: print(80) if b == 79: print(81) if b == 80: print(82) if b == 81: print(83) if b == 82: print(84) if b == 83: print(85) if b == 84: print(86) if b == 85: print(87) if b == 86: print(88) if b == 87: print(89) if b == 88: print(90) if b == 89: print(91) if b == 90: print(92) if b == 91: print(93) if b == 92: print(94) if b == 93: print(95) if b == 94: print(96) if b == 95: print(97) if b == 96: print(98) if b == 97: print(99) if b == 98: print(100) if b == 99: print(101) if b == 100: print(102) else: print(a+b) return 0;}
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hetao1609095 LV 5 @ 2023-8-27 21:33:40
#include <bits/stdc++.h>//万能开头 using namespace std; int a,b; int main() { cin>>a>>b; int c=a+b; cout<<c; retern 0; } //一手交赞，一手交货（代码） //核桃hetao1609095编程 //水印 -
-2
hetao3430097 @ 2023-8-27 20:13:45
#include <iostream> using namespace std; int main() { int a,b; cin>>a>>b; cout<<a+b; return 0; } -
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hetao13924211 LV 8 @ 2023-8-25 19:00:28
哇哦
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zxd6622@126.com LV 5 @ 2023-8-24 23:39:39
#include <iostream> using namespace std; int main ( ) { int a,b; cin>>a>>b; cout<<a+b; return 0 ; }
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hetao4603490 LV 7 @ 2023-8-24 16:53:29
#include <iostream>//判断质数的代码 using namespace std; int main() { int n, num = 0; cin >> n; for (int i = 2; i <= n - 1; i++) { if (n % i == 0) { num++; break; } } if (num == 0) { cout << "prime"; } else { cout << "not prime"; } return 0; } -
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#include <iostream>//判断质数的代码 using namespace std; int main() { int n, num = 0; cin >> n; for (int i = 2; i <= n - 1; i++) { if (n % i == 0) { num++; break; } } if (num == 0) { cout << "prime"; } else { cout << "not prime"; } return 0; } -
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hetao4414209 LV 7 @ 2023-8-21 18:51:27
😄 哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈
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-2
hetao35677790
LV 6
@ 2023-8-16 16:32:20
#include [<iostream>] using namespace std; int main() { int a,b; cin >>a >> b; cout << a + b << " "; return 0;
}
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-2
hetao1914035
LV 4
@ 2023-8-11 11:58:48
#include <iostream> using namespace std; int main() { int gncm = 0, ggcm = 0; cin >> gncm >> ggcm; cout << ggcm + gncm; return 0; } -
-2
hetao25274508
LV 2
@ 2023-8-9 14:09:36
`
太简单了！have hand就行！！！
#include <bits/stdc++.h> using namespace std; int main() { int a,b; cin >> a >> b; cout << a+b; return 0; }
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-2
hetao6602118
LV 7
@ 2023-8-7 21:07:35
#include <iostream> using namespace std; int main() { int a; int b; cin >> a >> b; cout << a + b; return 0; } 非常简单 -
-2
hetao3764628 LV 6 @ 2023-8-6 14:39:09
#include<iostream> using namespace std; int main() { int a,b; cin>>a>>b; cout<<a+b; return 0; } -
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hetao3914662
LV 9
@ 2023-8-6 13:53:40
#include <bits/stdc++.h> using namespace std; int main() { int a,b; cin >> a >> b; cout << a + b; return 0; } -
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hetao3914662
LV 9
@ 2023-8-6 13:52:50
#include <bits/stdc++.h> using namespace std; int main() { int a,b; cin >> a >> b; cout << a + b; return 0; }
hetao2753405
LV 10
@ 2022-8-2 14:51:29
