This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
void solve(void){
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++)
		cout<<"+";
		cout<<endl;
	}
	cout << endl;
}
int main(){
	
	int T;
	cin>>T;
	while(T--){
		solve();
	}
	return 0;
}
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