Borderou de evaluare (job #147831)

Compilare: user.cpp: In function ‘int main()’: user.cpp:25:72: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] user.cpp:38:72: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] user.cpp:51:72: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] user.cpp:64:72: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] user.cpp:11:17: warning: unused variable ‘start’ [-Wunused-variable] user.cpp:13:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:14:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:16:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]