Compilare: main.cpp: In function 'int main()': main.cpp:14:34: warning: comparison of integer expressions of different signedness: 'std::stack<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 14 | if(stk.size()+n-i>=m) { | ~~~~~~~~~~~~~~^~~ main.cpp:15:78: warning: comparison of integer expressions of different signedness: 'std::stack<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 15 | while((!stk.empty())&&(nr>stk.top())&&(stk.size()+n-i>m)) | ~~~~~~~~~~~~~~^~ main.cpp:22:30: warning: comparison of integer expressions of different signedness: 'std::stack<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 22 | if(stk.size()<=m) | ~~~~~~~~~~^~~