Borderou de evaluare (job #214363)

Compilare: user.cpp: In function ‘int main()’: user.cpp:10:46: warning: unused variable ‘a2’ [-Wunused-variable] user.cpp:10:51: warning: unused variable ‘b2’ [-Wunused-variable] user.cpp:10:56: warning: unused variable ‘c2’ [-Wunused-variable] user.cpp:10:60: warning: unused variable ‘d2’ [-Wunused-variable] user.cpp:8:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:116:24: warning: ‘d’ may be used uninitialized in this function [-Wuninitialized] user.cpp:115:23: warning: ‘c’ may be used uninitialized in this function [-Wuninitialized] user.cpp:117:23: warning: ‘b’ may be used uninitialized in this function [-Wuninitialized] user.cpp:117:23: warning: ‘a’ may be used uninitialized in this function [-Wuninitialized] user.cpp:116:24: warning: ‘c1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:118:24: warning: ‘b1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:118:24: warning: ‘a1’ may be used uninitialized in this function [-Wuninitialized]