#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mk make_pair
int n, m;
vector < int > u, v, w;
vector < int > vc[200045];
map < pair < int , int >, int > mp;
void init(int N, int M,
std::vector<int> U, std::vector<int> V, std::vector<int> W) {
n = N;
m = M;
u = U;
v = V;
w = W;
for( i = 0; i < m; i ++ ){
vc[ u[i] ].pb( v[i] );
vc[ v[i] ].pb( u[i] );
mp[ mk( u[i], v[i] ) ] = w[i];
mp[ mk( v[i], u[i] ) ] = w[i];
}
}
bool vis[200045];
int getMinimumFuelCapacity(int X, int Y) {
int flag = true, i;
for( i = 0; i < n; i ++ ){
if( vc[i].size() != 2 ){
flag = false;
break;
}
}
if( flag == true ){
int ans = 0;
for( i = 0; i < m; i ++ ){
ans = max( ans, w[i] );
}
return ans;
}
return -1;
}
Compilation message
swap.cpp: In function 'void init(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
swap.cpp:18:8: error: 'i' was not declared in this scope
18 | for( i = 0; i < m; i ++ ){
| ^