Borderou de evaluare (job #648985)

Compilare: main.cpp: In function 'int main()': main.cpp:68:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 68 | for(j=0; j<alf.size(); j++) | ~^~~~~~~~~~~ main.cpp:76:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 76 | for(i=1; i<p.size(); i++) | ~^~~~~~~~~ main.cpp:78:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 78 | for(j=0; j<alf.size(); j++) | ~^~~~~~~~~~~ main.cpp:85:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 85 | for(j=0; j<t.size(); j++) | ~^~~~~~~~~ main.cpp:46:21: warning: unused variable 'y' [-Wunused-variable] 46 | int i,j,k=0,y=1; | ^ main.cpp:67:13: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 67 | int x; | ^ main.cpp:87:49: warning: 'q' may be used uninitialized in this function [-Wmaybe-uninitialized] 87 | if (mincost>a[k][v[j]]+a[q][v[j]]) | ~~~~~~~~~^