creioane.cpp: In function 'bool fs(int, int*, int)': creioane.cpp:9: warning: suggest parentheses around assignment used as truth value creioane.cpp: In function 'int main()': creioane.cpp:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result creioane.cpp:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result creioane.cpp:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result creioane.cpp:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result creioane.cpp:30: warning: 'col1' is used uninitialized in this function creioane.cpp:31: warning: 'col2' is used uninitialized in this function