求解c++问题
#include<iostream>#include<string>usingnamespacestd;intmain(){intn;cin>>n;conststring...
#include<iostream>
#include<string>
using namespace std;
int main()
{
int n;
cin>>n;
const string white=" ";
string blackrow;
string whiterow;
blackrow=n+white+n+white+n+white+n+white;
return 0;
}
哪里错了 展开
#include<string>
using namespace std;
int main()
{
int n;
cin>>n;
const string white=" ";
string blackrow;
string whiterow;
blackrow=n+white+n+white+n+white+n+white;
return 0;
}
哪里错了 展开
2个回答
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n is int, but white is string, need convert int to string;
#include <stdlib.h>
#include<iostream>
#include<string>
using namespace std;
int main()
{
int n;
cin>>n;
const string white=" ";
string blackrow;
string whiterow;
const int N =10;
char buff[N];
itoa(n, buff, N);
blackrow=buff + white + buff + white+buff + white+buff + white;
cout << blackrow;
getchar();
return 0;
}
#include <stdlib.h>
#include<iostream>
#include<string>
using namespace std;
int main()
{
int n;
cin>>n;
const string white=" ";
string blackrow;
string whiterow;
const int N =10;
char buff[N];
itoa(n, buff, N);
blackrow=buff + white + buff + white+buff + white+buff + white;
cout << blackrow;
getchar();
return 0;
}
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