Submission #1082444

#	Time	Username	Problem	Language	Result	Execution time	Memory
1082444		mindiyak	Game (IOI13_game)	C++14	10 / 100	13098 ms	162132 KiB

game

#include "game.h"
#include <iostream>
#include <vector>

#define ll long long

using namespace std;

int r,c;
ll grid[2001][10001];

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;
}

void init(int R, int C) {
    r = R;c = C;
    for(int i=0;i<2001;i++)for(int j=0;j<10001;j++)grid[i][j] = 0;
}

void updater(int i,int pos,int l,int r,int idx,ll k){
    if(l == r){
        grid[i][pos] = k;
        return;
    }   
    int mid = (l+r)/2;
    if(idx<=mid){
        updater(i,2*pos+1,l,mid,idx,k);
    }else{
        updater(i,2*pos+2,mid+1,r,idx,k);
    }
    grid[i][pos] = gcd2(grid[i][2*pos+1],grid[i][2*pos+2]);
}

ll asker(int i,int pos,int l,int r,int ql,int qr){
    if(ql>r || qr<l)return 0;
    if(ql <= l && r <= qr){
        return grid[i][pos];
    }   
    int mid = (l+r)/2;
    return gcd2(asker(i,2*pos+1,l,mid,ql,qr),asker(i,2*pos+2,mid+1,r,ql,qr));
}

void update(int P, int Q, long long K) {
    updater(P,0,0,c-1,Q,K);
}

long long calculate(int P, int Q, int U, int V) {
    ll val = 0;
    for(int i=P;i<=U;i++){
        val = gcd2(val,asker(i,0,0,c-1,Q,V));
    }
    return val;
}

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