Compilare: user.cpp: In constructor ‘graf::graf(const char*)’: user.cpp:40:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=1; i <= iNodes; i++) ^ user.cpp:42:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=0; i < iEdges; i++) ^ user.cpp: In member function ‘void graf::show() const’: user.cpp:61:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=1; i <= iNodes; i++) ^ user.cpp:63:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned j=1; j <= iNodes; j++) ^ user.cpp: In member function ‘void graf::prim()’: user.cpp:79:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i = 1; i < iNodes; i++) //Adaugarea toturor nodurilor ^ user.cpp:83:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned j = 1; j <= iNodes; j++) ^ user.cpp:87:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned k = 1; k <= iNodes; k++) ^ user.cpp:104:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i = 1; i < iNodes; i++) ^ user.cpp: In member function ‘void graf::dijkstra() const’: user.cpp:113:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=0;i < iNodes-1;i++) ^ user.cpp:115:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned j=1;j <= iNodes;j++) ^ user.cpp:122:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=0;i < iNodes-1;i++) ^ user.cpp:129:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=0;i < iNodes-1;i++) ^ user.cpp: In function ‘int main()’: user.cpp:28:20: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result] system("pause"); ^ user.cpp:30:18: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result] system("cls"); ^ user.cpp: In member function ‘void graf::prim()’: user.cpp:99:22: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] parc[2*i] = y;