Compilare: user.cpp: In function ‘int main()’: user.cpp:13:3: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(x==-2)if(s==8 || su==9)m=0; ^ user.cpp:16:3: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(x==-1)if(su==4)m=0; ^ user.cpp:19:3: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(x==0) ^ user.cpp:6:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {freopen("maraton.in","r",stdin); ^ user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maraton.out","w",stdout); ^ user.cpp:8:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&k); ^ user.cpp:10:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^