Compilare: main.cpp: In function 'int main()': main.cpp:31:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j = i; j <= M && d[i].x==d[j].x && d[i].y==d[j].y; j++); ^~~ main.cpp:32:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if(j-i>=3){ ^~ main.cpp:14:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("plagiat.in","r",stdin); ^ main.cpp:15:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("plagiat.out","w",stdout); ^ main.cpp:17:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ main.cpp:19:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^ main.cpp:21:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&v[i].x, &v[i].y); ^