Compilare: user.cpp: In function ‘int main()’: user.cpp:59:49: warning: operation on ‘crt’ may be undefined [-Wsequence-point] sol[++crt]=sol[crt-1]+sol[crt-2]; ^ user.cpp:59:49: warning: operation on ‘crt’ may be undefined [-Wsequence-point] user.cpp:68:49: warning: operation on ‘crt’ may be undefined [-Wsequence-point] sol[++crt]=sol[crt-1]+sol[crt-2]; ^ user.cpp:68:49: warning: operation on ‘crt’ may be undefined [-Wsequence-point] user.cpp:9:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi5.in","r",stdin); ^ user.cpp:10:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi5.out","w",stdout); ^ user.cpp:11:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&p,&n,&k); ^ user.cpp:14:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&v[i]); ^