Borderou de evaluare (job #271010)

Eroare de compilare: user.cpp:15:21: error: ISO C++ forbids declaration of ‘find’ with no type [-fpermissive] user.cpp: In function ‘int main()’: user.cpp:32:13: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:33:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:34:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:58: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]