Borderou de evaluare (job #618417)

Compilare: main.cpp: In function 'bool zero(std::vector<int>)': main.cpp:82:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 82 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:89:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 89 | return (cnt == a.size()); | ~~~~^~~~~~~~~~~ main.cpp: In function 'int suma(std::vector<int>)': main.cpp:95:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 95 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:180:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 180 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:189:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 189 | for(int i = 0; i < c.size(); i++) | ~~^~~~~~~~~~ main.cpp:206:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 206 | for(int i = 0; i < b.size(); i++) | ~~^~~~~~~~~~ main.cpp:208:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 208 | for(int j = 0; j < b[i].size(); j++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:21:30: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 21 | fread(buff, 1, 4096, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~