fish.cpp: In function 'long long int maxweights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:26:8: warning: unused variable 'q' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:16: warning: unused variable 'j' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:19: warning: unused variable 'l' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:22: warning: unused variable 'r' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:26: warning: unused variable 'x' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:30: warning: unused variable 'y' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:34: warning: unused variable 's' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:42: warning: unused variable 'f' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:46: warning: unused variable 'k' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^
fish.cpp:26:50: warning: unused variable 'mn' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^~
fish.cpp:26:61: warning: unused variable 'mx' [-Wunused-variable]
26 | ll q , i , j ,l ,r , x , y , s = 0 , f , k , mn = 1e18, mx = 0 ;
| ^~
/usr/bin/ld: /tmp/ccVK5Q6a.o: in function `main':
grader.cpp:(.text.startup+0x25e): undefined reference to `max_weights(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status