Compilare: user.cpp: In function ‘void dijkstra(int, long long int*, int*)’: user.cpp:31:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 0; i < v[ k ].size(); ++i ){ ^ user.cpp:19:15: warning: unused variable ‘j’ [-Wunused-variable] int k, i, j, fiu, muchie; ^ user.cpp: In function ‘int main()’: user.cpp:66:15: warning: unused variable ‘j’ [-Wunused-variable] int m, i, j, k, x, y, c, A, B, C; ^ user.cpp:63:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trilant.in","r",stdin); ^ user.cpp:64:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trilant.out","w",stdout); ^ user.cpp:69:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d",&n,&m,&A,&B,&C); ^ user.cpp:71:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&c); ^ user.cpp:91:32: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] afisLant( distC, tataC, k ); printf("\n"); ^