Compilare: main.cpp: In function 'int main()': main.cpp:56:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for ( j = 0; j < v[r].size(); j ++ ) { | ~~^~~~~~~~~~~~~ main.cpp:57:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | while ( i < v[l].size() && v[l][i] < v[r][j] ) | ~~^~~~~~~~~~~~~ main.cpp:60:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | if ( i < v[l].size() ) minim = min( minim, abs( v[r][j] - v[l][i] ) ); | ~~^~~~~~~~~~~~~ main.cpp:61:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | if ( i + 1 < v[l].size() ) minim = min( minim, abs( v[r][j] - v[l][i + 1] ) ); | ~~~~~~^~~~~~~~~~~~~ main.cpp:67:51: warning: unused variable 'e' [-Wunused-variable] 67 | int val = ( st + dr ) / 2, s = 0, e = 0, b = 0; | ^ main.cpp:67:58: warning: unused variable 'b' [-Wunused-variable] 67 | int val = ( st + dr ) / 2, s = 0, e = 0, b = 0; | ^ main.cpp:65:69: warning: unused variable 'median' [-Wunused-variable] 65 | int st = -1e9 - 1, dr = 1e9 + 1, m = sp[r] - sp[l - 1], median; | ^~~~~~