fish.cpp:7:36: error: expected ',' or '...' before 'x'
7 | ll max_weights(int n, int m, int[] x, int[] y, int[] w){
| ^
fish.cpp: In function 'long long int max_weights(int, int, int*)':
fish.cpp:10:9: error: 'v' was not declared in this scope
10 | v[x[i]].push_back({y[i],w[i]});
| ^
fish.cpp:10:11: error: 'x' was not declared in this scope
10 | v[x[i]].push_back({y[i],w[i]});
| ^
fish.cpp:10:28: error: 'y' was not declared in this scope
10 | v[x[i]].push_back({y[i],w[i]});
| ^
fish.cpp:10:33: error: 'w' was not declared in this scope
10 | v[x[i]].push_back({y[i],w[i]});
| ^