Compilare: main.cpp: In function 'int main()': main.cpp:39:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (j = 0; j < v[i].size(); j++) | ~~^~~~~~~~~~~~~ main.cpp:75:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for (i = 0; i < v[1].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:68:21: warning: unused variable 's1' [-Wunused-variable] 68 | int s1 = 1, s0 = 1; | ^~ main.cpp:68:29: warning: unused variable 's0' [-Wunused-variable] 68 | int s1 = 1, s0 = 1; | ^~ main.cpp:103:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for (i = 0; i < v[1].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:128:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 128 | for (i = 0; i < v[1].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:140:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 140 | for (i = 0; i < c0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:143:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | for (i = 0; i < p0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:150:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 150 | for (i = 0; i < C0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:153:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 153 | for (i = 0; i < P0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:160:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 160 | for (i = 0; i < C0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:163:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | for (i = 0; i < p0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:170:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 170 | for (i = 0; i < c0.size(); i++) | ~~^~~~~~~~~~~ main.cpp:173:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for (i = 0; i < P0.size(); i++) | ~~^~~~~~~~~~~