bridges.cpp: In function 'void solve()':
bridges.cpp:45:20: warning: unused variable 'j' [-Wunused-variable]
45 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
| ^
bridges.cpp:45:23: warning: unused variable 'l' [-Wunused-variable]
45 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
| ^
bridges.cpp:45:26: warning: unused variable 'r' [-Wunused-variable]
45 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
| ^
bridges.cpp:45:38: warning: unused variable 's' [-Wunused-variable]
45 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
| ^
bridges.cpp:45:46: warning: unused variable 'f' [-Wunused-variable]
45 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
| ^
bridges.cpp:45:58: warning: unused variable 'mx' [-Wunused-variable]
45 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
| ^~
bridges.cpp:45:67: warning: unused variable 'mn' [-Wunused-variable]
45 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mx = 0 , mn = 1e18;
| ^~
bridges.cpp: In function 'int main()':
bridges.cpp:75:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
75 | freopen("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
bridges.cpp:76:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
76 | freopen("output.txt", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~