Compilare: main.cpp: In function 'int main()': main.cpp:23:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1; i<=N; ++i) Val[i]-=Graph[i][0]; Out[++Sol]=Start; ^~~ main.cpp:23:46: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1; i<=N; ++i) Val[i]-=Graph[i][0]; Out[++Sol]=Start; ^~~ main.cpp:24:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(Good[Start]==true || Val[Start]>0) Q.push(Start); Mark[Start]=InQ[Start]=true; ^~ main.cpp:24:58: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(Good[Start]==true || Val[Start]>0) Q.push(Start); Mark[Start]=InQ[Start]=true; ^~~~ main.cpp:11:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("markon.in", "r", stdin); ^ main.cpp:12:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("markon.out", "w", stdout); ^ main.cpp:13:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &N, &M, &Start); ^ main.cpp:14:68: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i=1; i<=N; ++i){Graph[i].push_back(0); scanf("%d", &Val[i]); if(Val[i]==0) Good[i]=true;} ^ main.cpp:17:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^