Borderou de evaluare (job #28666)

Compilare: user.cpp: In function ‘int main()’: user.cpp:12:22: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[100]’ [-Wformat] user.cpp:33:22: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[100]’ [-Wformat] user.cpp:36:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:41:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:41:73: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:46:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:54:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:54:73: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:59:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:65:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:70:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:70:73: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:75:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:83:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:83:74: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:88:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:7:21: warning: unused variable ‘y’ [-Wunused-variable] user.cpp:5:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:33:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]