Borderou de evaluare (job #291767)

Compilare: user.cpp: In function 'int main()': user.cpp:7:32: warning: unused variable 'j1' [-Wunused-variable] user.cpp:7:35: warning: unused variable 'j2' [-Wunused-variable] user.cpp:7:44: warning: unused variable 'k' [-Wunused-variable] user.cpp:7:46: warning: unused variable 's' [-Wunused-variable] user.cpp:7:50: warning: unused variable 'l' [-Wunused-variable] user.cpp:5:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:19:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:63:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]