subsequence.cpp: In function 'void solve()':
subsequence.cpp:27:12: warning: unused variable 'q' [-Wunused-variable]
27 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
| ^
subsequence.cpp:27:38: warning: unused variable 's' [-Wunused-variable]
27 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
| ^
subsequence.cpp:27:50: warning: unused variable 'k' [-Wunused-variable]
27 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
| ^
subsequence.cpp:27:54: warning: unused variable 'm' [-Wunused-variable]
27 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
| ^
subsequence.cpp:27:58: warning: unused variable 'mn' [-Wunused-variable]
27 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
| ^~
subsequence.cpp:27:69: warning: unused variable 'mx' [-Wunused-variable]
27 | ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
| ^~
subsequence.cpp: In function 'int main()':
subsequence.cpp:77:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
77 | freopen("subsequence.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
subsequence.cpp:78:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
78 | freopen("subsequence.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~