Compilare: user.cpp: In function ‘int main()’: user.cpp:33:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=v[nod].size()-1;i++){ ~^~~~~~~~~~~~~~~~~ user.cpp:38:13: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(dist[nodcurent]!=1000000001) ^~ user.cpp:40:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ dist[nodcurent]=distanta+dist[nod]; ^~~~ user.cpp:12:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, x, y, z, front, back, n, m, d, nodcurent, nod, distanta; ^ user.cpp:12:24: warning: unused variable ‘front’ [-Wunused-variable] int i, j, x, y, z, front, back, n, m, d, nodcurent, nod, distanta; ^~~~~ user.cpp:12:31: warning: unused variable ‘back’ [-Wunused-variable] int i, j, x, y, z, front, back, n, m, d, nodcurent, nod, distanta; ^~~~ user.cpp:17:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d", &n, &m); ^ user.cpp:19:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d", &x, &y, &z); ^