Compilare: main.cpp: In function 'int main()': main.cpp:75:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(cor[m].x<=i && cor[m].y>=i) ^ main.cpp:46:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("picazo.in","r",stdin); ^ main.cpp:47:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("picazo.out","w",stdout); ^ main.cpp:49:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&k,&q); ^ main.cpp:54:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ main.cpp: In function 'int bs(int)': main.cpp:13:15: warning: 'med' may be used uninitialized in this function [-Wmaybe-uninitialized] int st,dr,med; ^~~ main.cpp: In function 'int main()': main.cpp:13:15: warning: 'med' may be used uninitialized in this function [-Wmaybe-uninitialized]