Submission #74668279

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Source Code Expand

#include <bits/stdc++.h>
#define qweqwe cin.tie(0)->sync_with_stdio(0)
using namespace std;
using ll = long long;
using pii = pair<ll,ll>;
using db = long double;

int main(){
	qweqwe;
	int n;cin >> n;
	vector<pii> arr(n);
	vector<unordered_set<char>> pos(n);
	for (int i=0;i<n;i++){
		int a,b;cin >> a >> b;
		arr[i]={a,b-1};
	}
	int m;cin >> m;
	vector<string> res(m);
	for (int i=0;i<m;i++){
		string s;cin >> s;
		for (int j=0;j<n;j++){
			if (s.size()==arr[j].first){
				pos[j].insert(s[arr[j].second]);
				//break;
			}
		}res[i]=s;
	}
	/*
	for (int i=0;i<n;i++){
		for (char j:pos[i]){
			cout << j << " ";
		}cout << "\n";
	}
	*/
	for (int i=0;i<m;i++){
		string s=res[i];bool yes=1;
		if (s.size()!=n){
			cout << "No\n";continue;
		}
		for (int j=0;j<n;j++){
			if (!pos[j].count(s[j])){
				cout << "No\n";yes=0;break;
			}//cout << s[j];
		}
		if (yes) cout << "Yes\n";
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function 'int main()':
./Main.cpp:22:37: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   22 |                         if (s.size()==arr[j].first){
      |                             ~~~~~~~~^~~~~~~~~~~~~~
./Main.cpp:37:29: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |                 if (s.size()!=n){
      |                     ~~~~~~~~^~~

Judge Result