Compilare: main.cpp: In function 'int main()': main.cpp:37:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (j = 0; j < v[i].size(); j++) | ~~^~~~~~~~~~~~~ main.cpp:73:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for (i = 0; i < v[1].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:66:21: warning: unused variable 's1' [-Wunused-variable] 66 | int s1 = 1, s0 = 1; | ^~ main.cpp:66:29: warning: unused variable 's0' [-Wunused-variable] 66 | int s1 = 1, s0 = 1; | ^~ main.cpp:101:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for (i = 0; i < v[1].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:126:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for (i = 0; i < v[1].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:138:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 138 | for (i = 0; i < c0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:141:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | for (i = 0; i < p0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:148:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for (i = 0; i < C0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:151:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 151 | for (i = 0; i < P0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:158:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for (i = 0; i < C0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:161:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 161 | for (i = 0; i < p0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:168:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 168 | for (i = 0; i < c0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:171:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 171 | for (i = 0; i < P0.size(); i++) | ~~^~~~~~~~~~~