Compilare: user.cpp: In function ‘int main()’: user.cpp:10:7: warning: unused variable ‘i1’ [-Wunused-variable] int t,i1,i,j,k,sz,curr,rasp=0; ^ user.cpp:8:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("frumusete.in","r",stdin); ^ user.cpp:9:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("frumusete.out","w",stdout); ^ user.cpp:19:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:21:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&k); ^ user.cpp:22:9: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(ch); ^ /tmp/ccxNA8dK.o: In function `main': user.cpp:(.text.startup+0x17c): warning: the `gets' function is dangerous and should not be used.