Compilare: main.cpp: In function 'void testcase()': main.cpp:96:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<lasamainpace>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 96 | for(int i = 0; i< two[0].size(); i++) { | ~^~~~~~~~~~~~~~~ main.cpp:61:7: warning: unused variable 'n' [-Wunused-variable] 61 | int n, total = 0; | ^ main.cpp:61:10: warning: unused variable 'total' [-Wunused-variable] 61 | int n, total = 0; | ^~~~~ main.cpp:80:8: warning: unused variable 'ok' [-Wunused-variable] 80 | bool ok = 0; | ^~