Borderou de evaluare (job #748760)

Eroare de compilare: main.cpp:4:33: error: invalid declarator before ';' token 4 | typedef vector <int> vector<int>; | ^ main.cpp:5:49: error: invalid declarator before ';' token 5 | typedef vector <vector<int>> vector<vector<int>>; | ^ main.cpp: In function 'std::vector<int> pf(std::vector<std::vector<int> >)': main.cpp:26:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 26 | while (i < a.size() - 1 || j < a[0].size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp:26:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 26 | while (i < a.size() - 1 || j < a[0].size() - 1) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 27 | if (j + 1 < a[0].size() && i + 1 < a.size()) { | ~~~~~~^~~~~~~~~~~~~ main.cpp:27:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 27 | if (j + 1 < a[0].size() && i + 1 < a.size()) { | ~~~~~~^~~~~~~~~~ main.cpp:35:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 35 | } else if (j + 1 < a[0].size()) { | ~~~~~~^~~~~~~~~~~~~ main.cpp:38:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 38 | } else if (i + 1 < a.size()) { | ~~~~~~^~~~~~~~~~ main.cpp: In function 'int ps(std::vector<int>)': main.cpp:48:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 48 | for (int i = 0; i < L.size(); i++) { | ~~^~~~~~~~~~