Submission #823756

#	Time	Username	Problem	Language	Result	Execution time	Memory
823756		vjudge1	Vision Program (IOI19_vision)	C++14	Compilation error	0 ms	0 KiB

vision

#include<bits/stdc++.h>
#include "vision.h"
#define fi first
#define se second
#define ll long long
using namespace std ;
const int N = 200, M = 200 ;
bool a[n][m] ;
//int add_not(vector<int> v)
//{
//}
//int add_and(vector<int> v)
//{
//}
//int add_or(vector<int> v)
//{
//}
//int add_xor()
//{
//}
void construct_network(int n, int m, int k)
{
    bool flag = 0 ;
    if(n <= 10 && m <= 10)
    {
        for(int x1 = 0 ; x1 < n ; x1++)
            for(int y1 = 0 ; y1 < m ; y1++)
                for(int x2 = 0 ; x2 < n ; x2++)
                    for(int y2 = 0 ; y2 < m ; y2++)
                    {
                        vector<int> v ;
                        v.push_back(x1 * m + y1) ;
                        v.push_back(x2 * m + y2) ;
                        if(add_or(v) == 1 && add_xor(v) == 0)
                        {
                            add_or(v) ;
                            return ;
                        }
                    }

    }
}
//signed main()
//{
//    int n, m, k ;
//    cin >> n >> m >> k ;
//    for(int i = 0 ; i < n ; i++)
//        for(int j = 0 ; j < n ; j++)
//            cin >> a[i][j] ;
//    construct_network(n, m, k) ;
//    return 0 ;
//}

Compilation message (stderr)

vision.cpp:8:8: error: 'n' was not declared in this scope
    8 | bool a[n][m] ;
      |        ^
vision.cpp:8:11: error: 'm' was not declared in this scope
    8 | bool a[n][m] ;
      |           ^
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:23:10: warning: unused variable 'flag' [-Wunused-variable]
   23 |     bool flag = 0 ;
      |          ^~~~