Submission #1275239

#	Time	Username	Problem	Language	Result	Execution time	Memory
1275239		SmuggingSpun	Programiranje (COCI17_programiranje)	C++20	80 / 80	17 ms	5736 KiB

programiranje

#include<bits/stdc++.h>
#define taskname "B"
using namespace std;
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
	string s;
	int q;
	cin >> s >> q;
	vector<vector<int>>cnt(26, vector<int>(s.size() + 1, 0));
	for(int i = 0; i < s.size(); i++){
		cnt[s[i] - 'a'][i + 1]++;
	}	
	for(int i = 0; i < 26; i++){
		for(int j = 1; j <= s.size(); j++){
			cnt[i][j] += cnt[i][j - 1];
		}
	}
	for(int _ = 0; _ < q; _++){
		int x, y, u, v;
		cin >> x >> y >> u >> v;
		bool ans = true;
		for(int i = 0; i < 26; i++){
			if(cnt[i][y] - cnt[i][x - 1] != cnt[i][v] - cnt[i][u - 1]){
				ans = false;
				break;
			}
		}
		cout << (ans ? "DA\n" : "NE\n");
	}
}

Compilation message (stderr)

programiranje.cpp: In function 'int main()':
programiranje.cpp:7:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 80 / 80