Borderou de evaluare (job #68069)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:42:6: error: ‘poz’ was not declared in this scope user.cpp:46:9: error: ‘poz’ was not declared in this scope user.cpp:16:28: warning: unused variable ‘dif’ [-Wunused-variable] user.cpp:16:32: warning: unused variable ‘suma’ [-Wunused-variable] user.cpp:14:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:21:18: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result]