Submission #251426

#	Time	Username	Problem	Language	Result	Execution time	Memory
251426		Vladikus004	Programiranje (COCI17_programiranje)	C++14	80 / 80	41 ms	5752 KiB

programiranje

#include <bits/stdc++.h>
#define inf 2e9
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;

const int N = 50000 + 3;
string s;
int t, a, b, c, d, cnt[N][26], cur[26];

void add(int l, int r, int w){
    for (int i = 0; i < 26; i++)
        cur[i] += w * cnt[r][i];
    if (l)
    for (int i = 0; i < 26; i++)
        cur[i] -= w * cnt[l - 1][i];
}

bool check(){
    for (int i = 0; i < 26; i++)
        if (cur[i]) return false;
    return true;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    #ifdef LOCAL
        freopen("input.txt", "r", stdin);
    #endif // LOCAL
    cin >> s >> t;
    for (int i = 0; i < s.size(); i++){
        cnt[i][s[i] - 'a'] = 1;
        if (i)
        for (int j = 0; j < 26; j++)
            cnt[i][j] += cnt[i - 1][j];
    }
    while (t--){
        cin >> a >> b >> c >> d;
        --a; --b; --c; --d;
        fill(cur, cur + 26, 0);
        add(a, b, 1);
        add(c, d, -1);
        if (check()){
            cout << "DA\n";
        }else{
            cout << "NE\n";
        }
    }
}

Compilation message (stderr)

programiranje.cpp: In function 'int main()':
programiranje.cpp:35:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < s.size(); i++){
                     ~~^~~~~~~~~~

• Subtask 1: 80 / 80