Submission #654959

#	Time	Username	Problem	Language	Result	Execution time	Memory
654959		KiriLL1ca	Programiranje (COCI17_programiranje)	C++14	80 / 80	29 ms	8288 KiB

programiranje

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fr first
#define sc second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pw(x) (1ll << x)
#define sz(x) (int)((x).size())
#define pb push_back
#define endl '\n'
#define mp make_pair
#define vec vector

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef unsigned long long ull;
typedef unsigned int uint;

template <typename T> inline bool umin (T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; }
template <typename T> inline bool umax (T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
template <typename T>
using oset = tree<T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;

inline void solve () {
        string s; cin >> s;
        int n = sz(s);
        vector <vector <int>> pref (n, vector <int> (26));
        for (int i = 0; i < n; ++i) {
                ++pref[i][s[i] - 'a'];
                if (!i) continue;
                for (int j = 0; j < 26; ++j) {
                        pref[i][j] += pref[i - 1][j];
                }
        }

        auto get = [&] (int i, int l, int r) { return pref[r][i] - (l ? pref[l - 1][i] : 0); };

        int q; cin >> q;
        while (q--) {
                int l, r, L, R; cin >> l >> r >> L >> R; --l, --r, --L, --R;
                if (r - l == R - L) {
                        bool ok = 1;
                        for (int j = 0; j < 26; ++j) ok &= (get(j, l, r) == get(j, L, R));
                        cout << (ok ? "DA" : "NE") << endl;
                }
                else {
                        cout << "NE" << endl;
                }
        }
}

signed main() {
        ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
        #ifdef LOCAL
                freopen("input.txt", "r", stdin);
                freopen("output.txt", "w", stdout);
        #endif
        int t = 1; // cin >> t;
        while (t--) solve();
        return 0;
}

• Subtask 1: 80 / 80