Submission #962996

#	Time	Username	Problem	Language	Result	Execution time	Memory
962996		n3rm1n	Game (IOI13_game)	C++17	0 / 100	1 ms	348 KiB

game

#include<bits/stdc++.h>
#include "game.h"
using namespace std;

int r, c;
void init(int R, int C)
{
    r = R;
    c = C;
}
map < pair < long long, long long >, long long > mp;
long long gcd2(long long X, long long Y) {
    int ans = mp[make_pair(X, Y)];
    if(ans)return ans;
    long long tmp;
    long long oldx = X, oldy = Y;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    mp[make_pair(oldx, oldy)] = X;
    return X;
}
struct point
{
    int x, y;
    long long val;
    point(){};
    point(int _x, int _y, long long _val)
    {
        x = _x;
        y = _y;
        val = _val;
    }
};
vector < point > g;
void update(int P, int Q, long long K)
{
    P ++;
    Q ++;



    g.push_back(point(P, Q, K));

}

long long calculate(int P, int Q, int U, int V)
{
    P ++;
    Q ++;
    U ++;
    V ++;
    long long ans = 0;
    for (int i = 0; i < g.size(); ++ i)
    {
        if(g[i].x >= P && g[i].x <= U && g[i].y >= Q && g[i].y <= V)
            ans = gcd2(ans, g[i].val);
    }

    return ans;
}

Compilation message (stderr)

game.cpp: In function 'long long int calculate(int, int, int, int)':
game.cpp:56:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for (int i = 0; i < g.size(); ++ i)
      |                     ~~^~~~~~~~~~

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