bitslang.cpp: In function 'int main()': bitslang.cpp:21: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[60]' bitslang.cpp:24: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[300]' bitslang.cpp:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result bitslang.cpp:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result bitslang.cpp:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result bitslang.cpp:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result bitslang.cpp:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result