AC代码

  • 注意创造函数条件中使用引用
  • 输出语句注意单复数
#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm> using namespace std; struct Usr {
bool flag;
char id[20];
char pwd[20];
}usr[1010]; void modify(Usr& a) { //参数使用了引用&,可以对传入参数进行修改
for(int i = 0; i < 10; i++) {
char b = a.pwd[i];
if(b == '1') {
a.pwd[i] = '@';
a.flag = 0;
}
if(b == '0') {
a.pwd[i] = '%';
a.flag = 0;
}
if(b == 'l') {
a.pwd[i] = 'L';
a.flag = 0;
}
if(b == 'O') {
a.pwd[i] = 'o';
a.flag = 0;
}
}
}
void init_flag(Usr& a) {
a.flag = 1;
} int main() {
#ifdef ONLINE_JUDGE
#else
freopen("1.txt", "r", stdin);
#endif // ONLINE_JUDGE
int n;
scanf("%d", &n); //输入密码数量
for(int i = 0; i < n; i++) {
scanf("%s %s", usr[i].id, usr[i].pwd);
}
// for(int i = 0; i < n; i++) {
// printf("%s %s\n", usr[i].id, usr[i].pwd);
// }
// printf("------------------------------\n");
int num = 0; //需要修改的密码数量
//初始化flag
for(int i = 0; i <= n; i++) {
init_flag(usr[i]);
// printf("init:%s %s %d\n", usr[i].id, usr[i].pwd, usr[i].flag);
modify(usr[i]);
// printf("%s %s %d\n", usr[i].id, usr[i].pwd, usr[i].flag);
if(usr[i].flag == 0) {
num++;
}
}
// printf("------------------------------\n");
// for(int i = 0; i < n; i++) {
// printf("%s %s %d\n", usr[i].id, usr[i].pwd, usr[i].flag);
// }
// printf("------------------------------\n");
// printf("%d\n", num);
if(num != 0) {
printf("%d\n", num);
for(int i = 0; i <= n; i++) {
if(usr[i].flag == 0) {
printf("%s %s\n", usr[i].id, usr[i].pwd);
}
}
} else if(n == 1){
printf("There is %d account and no account is modified", n);
} else if(n > 1) {
printf("There are %d accounts and no account is modified", n);
}
return 0;
}

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