Compilare: main.cpp: In function 'void Write(std::__cxx11::string, std::vector<int>)': main.cpp:49:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < data.size(); i++) ~~^~~~~~~~~~~~~ main.cpp: In function 'int Sum(std::vector<std::vector<int> >&)': main.cpp:84:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < table.size(); i++) ~~^~~~~~~~~~~~~~ main.cpp:85:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < table[i].size(); j++) ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int SumLine(std::vector<std::vector<int> >&, int)': main.cpp:92:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < table[line].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int SumCol(std::vector<std::vector<int> >&, int)': main.cpp:99:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < table.size(); i++) ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:113:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int line = 0; line < table.size(); line++) ~~~~~^~~~~~~~~~~~~~ main.cpp:116:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int col = 0; col < table[line].size(); col++) ~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:119:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int col = 0; col < table[line].size(); col++) ~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:125:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int col = 0; col < table[0].size(); col++) ~~~~^~~~~~~~~~~~~~~~~ main.cpp:128:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int line = 0; line < table.size(); line++) ~~~~~^~~~~~~~~~~~~~ main.cpp:131:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int line = 0; line < table.size(); line++) ~~~~~^~~~~~~~~~~~~~