Submission #553913

#	Time	Username	Problem	Language	Result	Execution time	Memory
553913		elazarkoren	Game (IOI13_game)	C++17	37 / 100	13096 ms	5380 KiB

game

#include "game.h"
#include <bits/stdc++.h>
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define chkmin(a, b) a = min(a, b)
#define chkmax(a, b) a = max(a, b)
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef vector<pii> vii;

long long gcd2(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}

map<pii, ll> mp;

int n, m;

void init(int R, int C) {
    n = R, m = C;
}

void update(int p, int q, long long k) {
    mp[{p, q}] = k;
}

long long calculate(int p, int q, int u, int v) {
    ll x = 0;
    for (int i = p; i <= u;) {
        auto it = mp.lower_bound({i, q});
        while (it != mp.end() && it->x.x == i && it->x.y <= v) {
            x = gcd2(x, it->y);
            it++;
        }
        it = mp.lower_bound({i + 1, q});
        if (it == mp.end()) break;
        i = it->x.x;
    }
    return x;
}

• Subtask 1: 10 / 10
• Subtask 2: 27 / 27
• Subtask 3: 0 / 26
• Subtask 4: 0 / 17
• Subtask 5: 0 / 20