Submission #119322

#	Time	Username	Problem	Language	Result	Execution time	Memory
119322		minhtung0404	Treasure (different grader from official contest) (CEOI13_treasure2)	C++17	Compilation error	0 ms	0 KiB

treasure

//https://oj.uz/problem/view/CEOI13_treasure2

#include<bits/stdc++.h>
const int N = 105;
using namespace std;

int a[N][N];
int n, sum[N][N], ans[N][N], cnt;

int ask(int r1, int c1, int r2, int c2){
    if (r1 > r2) swap(r1, r2);
    if (c1 > c2) swap(c1, c2);
//    return a[r2][c2] - a[r1-1][c2] - a[r2][c1-1] - a[r1-1][c1-1];
    cout << r1 << " " << c1 << " " << r2 << " " << c2 << endl;
//    cnt++;
    int res; cin >> res;
    return res;
}

int main(){
    cin >> n;
    for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) cin >> a[i][j], a[i][j] += a[i-1][j] + a[i][j-1] - a[i-1][j-1];
    int half = n / 2;
    for (int i = half; i <= n; i++) for (int j = half; j <= n; j++) sum[i][j] = ask(1, 1, i, j);
    for (int i = half+1; i <= n; i++) for (int j = half+1; j <= n; j++) ans[i][j] = sum[i][j] - sum[i-1][j] - sum[i][j-1] + sum[i-1][j-1];

    for (int i = half; i <= n; i++) for (int j = 1; j <= half+1; j++) sum[i][j] = ask(1, n, i, j);
    for (int i = half+1; i <= n; i++) for (int j = 1; j <= half; j++) ans[i][j] = sum[i][j] - sum[i-1][j] - sum[i][j+1] + sum[i-1][j+1];

    for (int i = 1; i <= half+1; i++) for (int j = half; j <= n; j++) sum[i][j] = ask(n, 1, i, j);
    for (int i = 1; i <= half; i++) for (int j = half+1; j <= n; j++) ans[i][j] = sum[i][j] - sum[i+1][j] - sum[i][j-1] + sum[i+1][j-1];

    for (int i = 1; i <= half+1; i++) for (int j = 1; j <= half+1; j++) sum[i][j] = ask(n, n, i, j);
    for (int i = 1; i <= half; i++) for (int j = 1; j <= half; j++) ans[i][j] = sum[i][j] - sum[i+1][j] - sum[i][j+1] + sum[i+1][j+1];
    cout << "END" << endl;
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            cout << ans[i][j];
        }
        cout << endl;
    }
//    cout << (cnt <= 7 * n * n * n * n / 16 + n * n);
}

Compilation message (stderr)

/tmp/ccmsfFH2.o: In function `main':
treasure.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccIJJb23.o:grader.c:(.text.startup+0x0): first defined here
/tmp/ccIJJb23.o: In function `main':
grader.c:(.text.startup+0x109): undefined reference to `findTreasure(int)'
collect2: error: ld returned 1 exit status