C - 获取出生日期（so easy）

  1. #include <cstdio>
  3. int main() {
  4.     int n;
  5.     int a, b, c, d, e;
  6.     scanf_s("%d", &n);
  7.     while (n--) {
  8.         scanf_s("%6d%4d%2d%2d%3d", &a, &b, &c, &d, &e);  //最后一个可能是字母，所以不读入处理
  9.         int a1 = getchar();  //用两个getchar跳过
  10.         int a2 = getchar();
  11.         printf("%04d-%02d-%02d\n", b, c, d);
  12.     }
  13.     return 0;
  14. }
  15. /*
  16. 3
  17. 41010619941117865X
  18. 410104198202095479
  19. 410122197911218097
  20. */

G - 检验身份证（数组yyds！）

  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  5. int wei[17] = { 7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,24 };
  6. int rela[11] = { 1,0,10,9,8,7,6,5,4,3,2, };
  8. bool func(string s) {  //1:passed  0:not passed
  9.     int a[18];  
  10.     /*字符串处理为实数数组*/
  11.     for (int i = 0; i < 17; i++) {
  12.         if (!isdigit(s[i])) {
  13.             cout << s << endl;
  14.             return 0;
  15.         }
  16.         a[i] = s[i] - '0';
  17.     }
  18.     if (s[17] == 'x') a[17] = 10;
  19.     else a[17] = s[17] - '0';
  20.     /*权运算得验证码*/
  21.     int Z = 0;
  22.     for (int i = 0; i < 17; i++) {
  23.         Z += a[i] * wei[i];
  24.         Z = Z % 11;
  25.     }
  26.     /*验证*/
  27.     if (a[17] == rela[Z]) return 1;
  28.     else {
  29.         cout << s << endl;
  30.         return 0;
  31.     }
  32. }
  33. int main() {
  34.     int n, count = 0;
  35.     string s;
  37.     cin >> n;
  38.     for (int i = 1; i <= n; i++) {
  39.         cin >> s;
  40.         if (func(s)) count++;
  41.         if (count == n) cout << "All passed" << endl;
  42.     }
  44.     return 0;
  45. }