soricel2.cpp: In function 'int fs(int, int, int, int)': soricel2.cpp:13: warning: unused variable 'j' soricel2.cpp: In function 'int fs1(int, int, int, int)': soricel2.cpp:40: warning: unused variable 'j' soricel2.cpp: In function 'int main()': soricel2.cpp:78: warning: unused variable 'j' soricel2.cpp:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result soricel2.cpp:77: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result soricel2.cpp:79: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel2.cpp:80: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel2.cpp:82: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel2.cpp:85: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel2.cpp:88: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel2.cpp:92: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result