@[xinlong](/user/867904)
将
```cpp
i++;
getline(cin,a[i]);
```
放到后面，即
```cpp
a[i] = w;
i++;
getline(cin,a[i]);
```
by cyx13579 @ 2023-08-05 12:30:44
@[xinlong](/user/867904)
另外R君也可能会提前输入 "EOF"，要判断一下，如果提前结束，要退出循环
by cyx13579 @ 2023-08-05 12:33:07
@[cyx13579](/user/233220)
你好！！ 感谢你的帮助。
可是wa了第三个点(⊙﹏⊙)：
```cpp
#include <bits/stdc++.h>
using namespace std;
string a[10010];
double pd(string x,string y){
string w;
for (int i = 0 ; i < x.size() ; i ++){
if(x[i] == '<'){
if(w.size()>0){
w.erase(w.begin()+w.size()-1,w.begin()+w.size());
}
}else{
w+=x[i];
}
}
int ans = 0;
for (int i = 0 ; i < min(w.size(),y.size()) ; i ++){
if(w[i] == y[i]){
ans ++;
}
}
return ans;
}
int main(){
//cout << pd("hello world.","heelo world.");
//*
int i = 1;
getline(cin,a[i]);
while(a[i] != "EOF"){
string w;
for (int j = 0 ; j < a[i].size() ; j ++){
if(a[i][j] == '<'){
if(w.size()>0){
w.erase(w.begin()+w.size()-1,w.begin()+w.size());
}
}else{
w+=a[i][j];
}
}
a[i] = w;
i++;
getline(cin,a[i]);
}
string s;
double d = 0;
bool flag = 0;
for (int j = 1 ; j < i ; j ++){
getline(cin,s);
if(s == "EOF"){
flag = 1;
}
if(!flag){
d+=pd(s,a[j]);
}
//cout << pd(s,a[j]) << endl;//<<' '<< s << '*'<< a[j] << endl;
}
cin >> s;
double p;
cin >> p;
//cout << d << endl;
cout << (int)(d*(60/p)+0.5);
//*/
return 0;
}
```
by xinlong @ 2023-08-05 14:25:01
@[xinlong](/user/867904)
在循环里直接退出就好
```
if(s=="EOF"){
double p;
cin >> p;
cout << (int)(d*(60/p)+0.5);
return 0;
}
```
by cyx13579 @ 2023-08-05 14:31:13
感谢大佬(已关)
by xinlong @ 2023-08-05 14:38:07