3 条题解
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2
#include <iostream> using namespace std; int n_num(int n){ int a = 1; for (int i = 10;; i *= 10){ if (n / i != 0) a++; else break; } return a; } void num_one(int n){ switch (n){ case 1: cout << "one"; break; case 2: cout << "two"; break; case 3: cout << "three"; break; case 4: cout << "four"; break; case 5: cout << "five"; break; case 6: cout << "six"; break; case 7: cout << "seven"; break; case 8: cout << "eight"; break; case 9: cout << "nine"; break; } } void num_two_one(int n){ switch (n){ case 10: cout << "ten"; break; case 11: cout << "eleven"; break; case 12: cout << "twelve"; break; case 13: cout << "thirteen"; break; case 14: cout << "fourteen"; break; case 15: cout << "fifteen"; break; case 16: cout << "sixteen"; break; case 17: cout << "seventeen"; break; case 18: cout << "eighteen"; break; case 19: cout << "nineteen"; } } void num_two_other(int n){ switch (n / 10){ case 2: cout << "twenty"; break; case 3: cout << "thirty"; break; case 4: cout << "forty"; break; case 5: cout << "fifty"; break; case 6: cout << "sixty"; break; case 7: cout << "seventy"; break; case 8: cout << "eighty"; break; case 9: cout << "ninety"; break; } if (n % 10 != 0){ cout << "-"; num_one(n % 10); } } void num_three(int n){ num_one(n / 100); if (n % 100 == 0) cout << " hundred"; else{ cout << " hundred and "; if (n % 100 / 10 == 1) num_two_one(n % 100); else num_two_other(n % 100); } } void num_four_to_six(int n){ if (n_num(n / 1000) == 1){ num_one(n / 1000); cout << " thousand "; num_three(n % 1000); } if (n_num(n / 1000) == 2){ if (n / 10000 == 1){ num_two_one(n / 1000); cout << " thousand "; num_three(n % 1000); } else{ num_two_other(n / 1000); cout << " thousand "; num_three(n % 1000); } } if (n_num(n / 1000) == 3){ num_three(n / 1000); cout << " thousand "; num_three(n % 1000); } } void num_seven_to_nine(int n){ if (n_num(n / 1000000) == 1){ num_one(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } if (n_num(n / 1000000) == 2){ if (n / 10000000 == 1){ num_two_one(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } else{ num_two_other(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } } if (n_num(n / 1000000) == 3){ num_three(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } } void num_ten(int n){ num_one(n / 1000000000); cout << " billion "; num_seven_to_nine(n % 100000000); } int main(){ int n; cin >> n; if (n_num(n) == 0){ cout << "zero"; return 0; } if (n_num(n) == 1) num_one(n); if (n_num(n) == 2){ if (n / 10 == 1) num_two_one(n); else num_two_other(n); } if (n_num(n) == 3) num_three(n); if (n_num(n) >= 4 && n_num(n) <= 6) num_four_to_six(n); if (n_num(n) >= 7 && n_num(n) <= 9) num_seven_to_nine(n); if (n_num(n) == 10) num_ten(n); return 0; } -
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hetao12726604 LV 10 @ 2023-7-8 9:56:02
#include <iostream> using namespace std; int n_num(int n)//判断位数的函数 { int a = 1; for (int i = 10;; i *= 10) { if (n / i != 0) { a++; } else { break;//如果n/i==0的话说明已经到达最高位了，就可以停下来了 } } return a; } void num_one(int n)//一位数 { switch (n) { case 1: cout << "one"; break; case 2: cout << "two"; break; case 3: cout << "three"; break; case 4: cout << "four"; break; case 5: cout << "five"; break; case 6: cout << "six"; break; case 7: cout << "seven"; break; case 8: cout << "eight"; break; case 9: cout << "nine"; break; } } void num_two_one(int n) { switch (n) { case 10: cout << "ten"; break; case 11: cout << "eleven"; break; case 12: cout << "twelve"; break; case 13: cout << "thirteen"; break; case 14: cout << "fourteen"; break; case 15: cout << "fifteen"; break; case 16: cout << "sixteen"; break; case 17: cout << "seventeen"; break; case 18: cout << "eighteen"; break; case 19: cout << "nineteen"; } } void num_two_other(int n) { switch (n / 10) { case 2: cout << "twenty"; break; case 3: cout << "thirty"; break; case 4: cout << "forty"; break; case 5: cout << "fifty"; break; case 6: cout << "sixty"; break; case 7: cout << "seventy"; break; case 8: cout << "eighty"; break; case 9: cout << "ninety"; break; } if (n % 10 != 0) { cout << "-"; num_one(n % 10); } } void num_three(int n) { num_one(n / 100); if (n % 100 == 0) { cout << " hundred"; } else { cout << " hundred and "; if (n % 100 / 10 == 1) { num_two_one(n % 100); } else { num_two_other(n % 100); } } } void num_four_to_six(int n) { if (n_num(n / 1000) == 1)//4位数，比如1179 { num_one(n / 1000); cout << " thousand "; num_three(n % 1000); } if (n_num(n / 1000) == 2)//5位数，比如11451 { if (n / 10000 == 1) { num_two_one(n / 1000); cout << " thousand "; num_three(n % 1000); } else { num_two_other(n / 1000); cout << " thousand "; num_three(n % 1000); } } if (n_num(n / 1000) == 3)//6位数，比如114514(好臭的数字) { num_three(n / 1000); cout << " thousand "; num_three(n % 1000); } } void num_seven_to_nine(int n) { if (n_num(n / 1000000) == 1)//7位数 { num_one(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } if (n_num(n / 1000000) == 2)//8位数 { if (n / 10000000 == 1) { num_two_one(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } else { num_two_other(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } } if (n_num(n / 1000000) == 3)//9位数 { num_three(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } } void num_ten(int n)//10位数 { num_one(n / 1000000000); cout << " billion "; num_seven_to_nine(n % 100000000); } int main() { //题目给的范围刚好是int型，不如直接用int就不要用string了 int n; cin >> n; if (n_num(n) == 0)//0位数，0比较特别，如果放在n_num函数里面0输出的a是0所以不妨单独讨论 { cout << "zero"; return 0; } if (n_num(n) == 1)//1位数 { num_one(n); } if (n_num(n) == 2)//2位数 { if (n / 10 == 1)//2位数中1开头的也很特殊，所以也单拎出来 { num_two_one(n); } else { num_two_other(n); } } if (n_num(n) == 3) { num_three(n); } if (n_num(n) >= 4 && n_num(n) <= 6) { num_four_to_six(n); } if (n_num(n) >= 7 && n_num(n) <= 9) { num_seven_to_nine(n); } if (n_num(n) == 10) { num_ten(n); } return 0; } -
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#include <iostream> using namespace std; int n_num(int n)//判断位数的函数 { int a = 1; for (int i = 10;; i *= 10) { if (n / i != 0) { a++; } else { break;//如果n/i==0的话说明已经到达最高位了，就可以停下来了 } } return a; } void num_one(int n)//一位数 { switch (n) { case 1: cout << "one"; break; case 2: cout << "two"; break; case 3: cout << "three"; break; case 4: cout << "four"; break; case 5: cout << "five"; break; case 6: cout << "six"; break; case 7: cout << "seven"; break; case 8: cout << "eight"; break; case 9: cout << "nine"; break; } } void num_two_one(int n) { switch (n) { case 10: cout << "ten"; break; case 11: cout << "eleven"; break; case 12: cout << "twelve"; break; case 13: cout << "thirteen"; break; case 14: cout << "fourteen"; break; case 15: cout << "fifteen"; break; case 16: cout << "sixteen"; break; case 17: cout << "seventeen"; break; case 18: cout << "eighteen"; break; case 19: cout << "nineteen"; } } void num_two_other(int n) { switch (n / 10) { case 2: cout << "twenty"; break; case 3: cout << "thirty"; break; case 4: cout << "forty"; break; case 5: cout << "fifty"; break; case 6: cout << "sixty"; break; case 7: cout << "seventy"; break; case 8: cout << "eighty"; break; case 9: cout << "ninety"; break; } if (n % 10 != 0) { cout << "-"; num_one(n % 10); } } void num_three(int n) { num_one(n / 100); if (n % 100 == 0) { cout << " hundred"; } else { cout << " hundred and "; if (n % 100 / 10 == 1) { num_two_one(n % 100); } else { num_two_other(n % 100); } } } void num_four_to_six(int n) { if (n_num(n / 1000) == 1)//4位数，比如1179 { num_one(n / 1000); cout << " thousand "; num_three(n % 1000); } if (n_num(n / 1000) == 2)//5位数，比如11451 { if (n / 10000 == 1) { num_two_one(n / 1000); cout << " thousand "; num_three(n % 1000); } else { num_two_other(n / 1000); cout << " thousand "; num_three(n % 1000); } } if (n_num(n / 1000) == 3)//6位数，比如114514(好臭的数字) { num_three(n / 1000); cout << " thousand "; num_three(n % 1000); } } void num_seven_to_nine(int n) { if (n_num(n / 1000000) == 1)//7位数 { num_one(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } if (n_num(n / 1000000) == 2)//8位数 { if (n / 10000000 == 1) { num_two_one(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } else { num_two_other(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } } if (n_num(n / 1000000) == 3)//9位数 { num_three(n / 1000000); cout << " million "; num_four_to_six(n % 1000000); } } void num_ten(int n)//10位数 { num_one(n / 1000000000); cout << " billion "; num_seven_to_nine(n % 100000000); } int main() { //题目给的范围刚好是int型，不如直接用int就不要用string了 int n; cin >> n; if (n_num(n) == 0)//0位数，0比较特别，如果放在n_num函数里面0输出的a是0所以不妨单独讨论 { cout << "zero"; return 0; } if (n_num(n) == 1)//1位数 { num_one(n); } if (n_num(n) == 2)//2位数 { if (n / 10 == 1)//2位数中1开头的也很特殊，所以也单拎出来 { num_two_one(n); } else { num_two_other(n); } } if (n_num(n) == 3) { num_three(n); } if (n_num(n) >= 4 && n_num(n) <= 6) { num_four_to_six(n); } if (n_num(n) >= 7 && n_num(n) <= 9) { num_seven_to_nine(n); } if (n_num(n) == 10) { num_ten(n); } return 0; }
hetao1285761
LV 10
@ 2024-2-12 19:11:13
- 1
