Compilare: user.cpp: In function ‘int unu()’: user.cpp:22:9: warning: unused variable ‘p’ [-Wunused-variable] int p=1; ^ user.cpp: In function ‘int main()’: user.cpp:31:11: warning: unused variable ‘r’ [-Wunused-variable] int v,r,q; ^ user.cpp:31:13: warning: unused variable ‘q’ [-Wunused-variable] int v,r,q; ^ user.cpp: In function ‘void citire()’: user.cpp:9:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &pi, &se); ^ user.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &c); ^ user.cpp:13:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&p, &s); ^ user.cpp: In function ‘int main()’: user.cpp:32:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("defrag.in", "r", stdin); ^ user.cpp:33:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("defrag.out", "w", stdout); ^ user.cpp:34:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v); ^