Compilare: main.cpp: In function 'bool dijkstra()': main.cpp:33:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(dist[it]>dist[nod]+cst[nod][it]+pred[nod]-pred[it]); ^~ main.cpp:34:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' { ^ main.cpp: In function 'int main()': main.cpp:69:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("traseu.in","r",stdin); ^ main.cpp:70:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("traseu.out","w",stdout); ^ main.cpp:73:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:83:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&z); ^