Submission #65096

#	Time	Username	Problem	Language	Result	Execution time	Memory
65096		theknife2001	Game (IOI13_game)	C++17	0 / 100	6 ms	1640 KiB

game

#include "game.h"
#include <bits/stdc++.h>
#define mid (l+r)/2


using namespace std;


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 N=2055;
long long sp[N][N*2][15];
int lg[N];
int n,m;

void init(int R, int C)
{
    n=R;
    m=C;
    int j=0;
    for(int i=0;i<=m;i++)
    {
        lg[i]=j;
        if((1<<j)==i)
            j++;
    }

}



void update(int P, int Q, long long K)
{
    sp[P][Q][0]=K;
    for(int i=1;i<=10;i++)
    {
        for(int j=0;j<m;j++)
        {
            if(j+(1<<(i-1))>=m)
                break ;
            sp[P][j][i]=gcd2(sp[P][j+(1<<(i-1))][i-1],sp[P][j][i-1]);
        }
    }
}

long long calculate(int P, int Q, int U, int V)
{
    long long ans=0;
    for(int i=P;i<=U;i++)
    {
        ans=gcd2(sp[i][Q][lg[V-Q]],gcd2(sp[i][V-(1<<lg[V-Q])+1][lg[V-Q]],ans));
    }
    return ans;
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~

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