Submission #442199

#	Time	Username	Problem	Language	Result	Execution time	Memory
442199		Yazan_Alattar	Aliens (IOI16_aliens)	C++17	Compilation error	0 ms	0 KiB

aliens

#include <iostream>
#include <fstream>
#include <vector>
#include <cstring>
#include <algorithm>
#include <set>
#include <map>
#include <queue>
#include <utility>
#include <cmath>
#include <numeric>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define pb push_back
#define endl "\n"
const int M = 1005;
const int mod = 1e9+7;
bool a[M][M], vist[M][M];
int ans;

long long take_photos(int n, int m, int k, int[] r, int[] c)
{
    for(int i = 0; i < n; ++i){
        if(vist[r[i]][c[i]]) continue;
        vist[r[i]][c[i]] = 1;
        ++ans;
    }
    return ans;
}
/*
int main()
{
    //ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    vector <int> r, c;
    int n, m, k;
    cin >> n >> m >> k;
    for(int i = 0; i < n; ++i){
        int x;
        cin >> x;
        r.pb(x);
    }
    for(int i = 0; i < n; ++i){
        int x;
        cin >> x;
        c.pb(x);
    }
    cout << take_photos(n, m, k, r, c);
    return 0;
}
*/

Compilation message (stderr)

aliens.cpp:23:50: error: expected ',' or '...' before 'r'
   23 | long long take_photos(int n, int m, int k, int[] r, int[] c)
      |                                                  ^
aliens.cpp: In function 'long long int take_photos(int, int, int, int*)':
aliens.cpp:26:17: error: 'r' was not declared in this scope
   26 |         if(vist[r[i]][c[i]]) continue;
      |                 ^
aliens.cpp:26:23: error: 'c' was not declared in this scope
   26 |         if(vist[r[i]][c[i]]) continue;
      |                       ^
aliens.cpp:27:14: error: 'r' was not declared in this scope
   27 |         vist[r[i]][c[i]] = 1;
      |              ^
aliens.cpp:27:20: error: 'c' was not declared in this scope
   27 |         vist[r[i]][c[i]] = 1;
      |                    ^