Borderou de evaluare (job #282460)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:43:6: error: ‘s’ was not declared in this scope user.cpp:44:5: error: expected ‘;’ before ‘while’ user.cpp:9:21: warning: unused variable ‘cnt’ [-Wunused-variable] user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]