Submission #1184899

#	Time	Username	Problem	Language	Result	Execution time	Memory
1184899		islam_2010	Connecting Supertrees (IOI20_supertrees)	C++20	Compilation error	0 ms	0 KiB

supertrees

#include <bits/stdc++.h>
#include "supertrees.h"
#define all(x) x.begin(), x.end()
#define int long long
#define pii pair<int, int>
using namespace std;

const int sz = 1e5 + 5; 
const int mod = 1e9+7;

int binpow(int x, int n){
    int res = 1;
    n%=mod;
    while (n > 0){
        if(n&1){
            res = res * x % mod;
        }x = x * x % mod;
        n/=2;
    }return res;

}

int gcd(int a, int b){
    if(b == 0){
        return a;
    }
    return gcd(b, a % b);
}

bool is_prime(int n){
    if(n==1){
        return false;
    }if(n==2){
        return true;
    }
    for(int i = 2; i * i <= n; i++){
        if(n%i==0){
            return false;
        }
    }return true;
}



int construct(int p){
    int n = p.size();
    bool flag=true;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < n; j++){
            if(p[i][j]!='1'){
                flag=false;
                break;
            }
        }if(!flag){
            break;
        }
    }if(flag){
        return 1;
    }
}



// signed main() {
//     ios_base::sync_with_stdio(false);
//     cin.tie(0);

    
   
    
//     return 0;
// }

Compilation message (stderr)

supertrees.cpp: In function 'long long int construct(long long int)':
supertrees.cpp:46:15: error: request for member 'size' in 'p', which is of non-class type 'long long int'
   46 |     int n = p.size();
      |               ^~~~
supertrees.cpp:50:17: error: invalid types 'long long int[long long int]' for array subscript
   50 |             if(p[i][j]!='1'){
      |                 ^
supertrees.cpp:60:1: warning: control reaches end of non-void function [-Wreturn-type]
   60 | }
      | ^