Compilare: user.cpp: In function ‘int sol()’: user.cpp:134:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:143:9: warning: unused variable ‘t’ [-Wunused-variable] int t; ^ user.cpp: In function ‘int sol()’: user.cpp:118:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ user.cpp:124:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &b, &c); ^ user.cpp: In function ‘int main()’: user.cpp:139:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("turism2.in", "r", stdin); ^ user.cpp:140:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("turism2.out", "r", stdin); ^