제출 #240681

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
240681		aryan12	게임 (IOI13_game)	C++17	컴파일 에러	0 ms	0 KiB

game

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

long long gcd(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}

long long a[102][102] = {{0}};

int main() {
    long long R, C, Q;
    cin >> R >> C >> Q;
    while(Q--) {
        long long command;
        cin >> command;
        if(command == 1) {
            long long r, c, val;
            cin >> r >> c >> val;
            a[r][c] = val;
        }
        else {
            long long ans = 0;
            long long r1, c1, r2, c2;
            cin >> r1 >> c1 >> r2 >> c2;
            for(long long i = r1; i <= r2; i++) {
                for(long long j = c1; j <= c2; j++) {
                    ans = gcd(ans, a[i][j]);
                }
            }
            cout << ans << "\n";
        }
    }
}

컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~
/tmp/ccobLsQq.o: In function `main':
game.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cckd60Jo.o:grader.c:(.text.startup+0x0): first defined here
/tmp/cckd60Jo.o: In function `main':
grader.c:(.text.startup+0x5d): undefined reference to `init'
grader.c:(.text.startup+0xb8): undefined reference to `calculate'
grader.c:(.text.startup+0x122): undefined reference to `update'
collect2: error: ld returned 1 exit status