Borderou de evaluare (job #256960)

Compilare: user.cpp: In function ‘int main()’: user.cpp:5:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:4: warning: ‘sol2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:30:4: warning: ‘sol’ may be used uninitialized in this function [-Wuninitialized]