Compilare: main.cpp: In function 'void afisare(std::vector<std::pair<int, int> >*)': main.cpp:75:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int j=0;j<graf[i].size();j++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'bool BellmanFord(std::vector<std::pair<int, int> >*, int)': main.cpp:98:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(int i=0;i<graf[nodcurent].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void Dijkstra(std::vector<std::pair<int, int> >*, int)': main.cpp:123:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for(int i=0;i<graf[nodcurent].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Johnson()': main.cpp:182:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<triplet>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 182 | for(int i=0;i<muchii.size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:201:30: warning: 'memset' used with length equal to number of elements without multiplication by element size [-Wmemset-elt-size] 201 | memset(viz,0,CMAX); | ^ main.cpp: In function 'bool Johnson2()': main.cpp:247:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<triplet>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 247 | for(int i=0;i<muchii.size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:266:30: warning: 'memset' used with length equal to number of elements without multiplication by element size [-Wmemset-elt-size] 266 | memset(viz,0,CMAX); | ^