Borderou de evaluare (job #618412)

Compilare: main.cpp: In function 'bool zero(std::vector<int>)': main.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 27 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:34:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 34 | return (cnt == a.size()); | ~~~~^~~~~~~~~~~ main.cpp: In function 'int suma(std::vector<int>)': main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 40 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 71 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:85:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 85 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:98:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 98 | for(int i = 0; i < c.size(); i++) | ~~^~~~~~~~~~ main.cpp:115:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 115 | for(int i = 0; i < b.size(); i++) | ~~^~~~~~~~~~ main.cpp:117:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 117 | for(int j = 0; j < b[i].size(); j++) | ~~^~~~~~~~~~~~~