Submission #553848

#	Time	Username	Problem	Language	Result	Execution time	Memory
553848		elazarkoren	Game (IOI13_game)	C++17	0 / 100	0 ms	212 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;
}

const int MAX_N = 2005;

struct Seg1 {
    int n;
    vi seg;
    Seg1() {}
    Seg1(int m) {
        for (n = 1; n < m; n <<= 1);
        seg.resize(2 * n);
    }
    void update(int i, int x) {
        seg[i += n] = x;
        for (i >>= 1; i; i >>= 1) {
            seg[i] = gcd2(seg[i << 1], seg[i << 1 | 1]);
        }
    }
    ll query(int l, int r) {
        ll x = 0;
        for (l += n, r += n; l < r; l >>= 1, r >>= 1) {
            if (l & 1) x = gcd2(x, seg[l++]);
            if (r & 1) x = gcd2(x, seg[--r]);
        }
        return x;
    }
};

vector<Seg1> mat;

int n, m;

void init(int R, int C) {
    n = R, m = C;
    mat.resize(n, Seg1(m));
}

void update(int p, int q, long long k) {
    mat[p].update(q, k);
}

long long calculate(int p, int q, int u, int v) {
    ll x = 0;
    for (int i = p; i <= u; i++) {
        x = gcd2(x, mat[i].query(q, v + 1));
    }
    return x;
}

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