Compilare: main.cpp: In function 'int main()': main.cpp:29:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for ( j = 0; j < v[r].size(); j ++ ) { | ~~^~~~~~~~~~~~~ main.cpp:30:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | while ( i < v[l].size() && v[l][i] < v[r][j] ) | ~~^~~~~~~~~~~~~ main.cpp:33:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if ( i < v[l].size() ) minim = min( minim, abs( v[r][j] - v[l][i] ) ); | ~~^~~~~~~~~~~~~ main.cpp:34:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | if ( i + 1 < v[l].size() ) minim = min( minim, abs( v[r][j] - v[l][i + 1] ) ); | ~~~~~~^~~~~~~~~~~~~ main.cpp:40:51: warning: unused variable 'e' [-Wunused-variable] 40 | int val = ( st + dr ) / 2, s = 0, e = 0, b = 0; | ^ main.cpp:40:58: warning: unused variable 'b' [-Wunused-variable] 40 | int val = ( st + dr ) / 2, s = 0, e = 0, b = 0; | ^ main.cpp:38:61: warning: unused variable 'median' [-Wunused-variable] 38 | int st = -1e9, dr = 1e9, m = sp[r] - sp[l - 1], median; | ^~~~~~