Compilare: user.cpp: In function ‘void ciur()’: user.cpp:11:15: warning: unused variable ‘x’ [-Wunused-variable] int i ,j ,x = 0 ; ^ user.cpp: In function ‘int main()’: user.cpp:27:24: warning: unused variable ‘x’ [-Wunused-variable] int p ,n ,a ,k ,i ,x ,cnt ; ^ user.cpp:27:27: warning: unused variable ‘cnt’ [-Wunused-variable] int p ,n ,a ,k ,i ,x ,cnt ; ^~~ user.cpp:25:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cufar.in","r",stdin) ; ^ user.cpp:26:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cufar.out","w",stdout) ; ^ user.cpp:29:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d" ,&p ,&n) ; ^ user.cpp:31:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d" ,&a ,&k) ; ^