Compilare: user.cpp: In function ‘void qsort(int, int, int*)’: user.cpp:18:35: warning: operation on ‘*(v + ((sizetype)(((unsigned int)j) * 4u)))’ may be undefined [-Wsequence-point] v[i]+=v[j]-(v[j]=v[i]); ^ user.cpp: In function ‘int cautbin(int, int, int, int*)’: user.cpp:35:21: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(st>dr||st==dr&&g[st]<x) ^ user.cpp: In function ‘int main()’: user.cpp:46:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cocochanel.in","r",stdin); ^ user.cpp:47:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cocochanel.out","w",stdout); ^ user.cpp:48:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:50:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&coco[i]); ^ user.cpp:52:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&g[i]); ^