bobi0577 @ 2022-08-02 10:45:23
本来我提交的时候自信满满,没想到结果是~~
错误代码:
#include<bits/stdc++.h>
using namespace std;
int n,q,i,j,k,s;
vector< vector<int> >m(n+1);
int main(){
cin>>n>>q;
while(q--){
cin>>s;
if(s==1){
cin>>i>>j>>k;
if(m.size()<j+1)m.resize(j+1);
m[i][j]=k;
}
else{
cin>>i>>j;
cout <<m[i][j]<<endl;
}
}
}
求大佬帮助!
by ShouZheng_Observer @ 2022-08-02 11:07:57
@bobi0577 您提交之前可以现在本地测试
by ShouZheng_Observer @ 2022-08-02 11:10:25
m[i][j]=k;
这行RE
by bobi0577 @ 2022-08-02 15:11:43
@PhantomKnight 知道了,谢谢!