제출 #1090488

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1090488		vjudge1	게임 (IOI13_game)	C++17	컴파일 에러	0 ms	0 KiB

game

#include "game.h"
#include <bits/stdc++.h>

using namespace std;

vector<long long> tree[2005];
int n, m;

long long nzd(long long a, long long b) {
    if (b==0) return a;
    return nzd(b, a%b);
}

void updateST(int k, int left, int right, int red, int kol, long long br) {
    if (left==right) {
        if (left==kol)
            tree[red][k]=br;
        return;
    }
    if (left>right||right<kol||left>kol)
        return;
    int mid=(left+right)/2;
    updateST(2*k, left, mid, red, kol, br);
    updateST(2*k+1, mid+1, right, red, kol, br);
    tree[red][k]=nzd(tree[red][2*k], tree[red][2*k+1]);
}

long long queryST(int k, int left, int right, int red, int l, int r) {
    if (left>right||left>r||l>right) 
        return 0;
    if (l<=left&&right<=r)
        return tree[red][k];
    int mid=(left+right)/2;
    long long r1=queryST(2*k, left, mid, red, l, r);
    long long r2=queryST(2*k+1, mid+1, right, red, l, r);
    return nzd(r1, r2);
}


void init(int r, int c) {
    for (int i=0;i<=r;i++) 
        tree[i].assign(4*c, 0);
    n=r, m=c;
} 

void update(int r, int c, long long br) {
    mat[r][c]=br;
    updateST(1, 0, m-1, r, c, br);
}

long long calculate(int x1, int y1, int x2, int y2) {
    long long rez=mat[x1][y1];
    for (int i=x1;i<=x2;i++)
        rez=nzd(rez, queryST(1, 0, m-1, i, y1, y2));
    return rez;
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'void update(int, int, long long int)':
game.cpp:47:5: error: 'mat' was not declared in this scope
   47 |     mat[r][c]=br;
      |     ^~~
game.cpp: In function 'long long int calculate(int, int, int, int)':
game.cpp:52:19: error: 'mat' was not declared in this scope
   52 |     long long rez=mat[x1][y1];
      |                   ^~~