work/source: In function ‘long long int SolveP1()’:
work/source:34: error: ‘abs’ was not declared in this scope
work/source: In function ‘int main()’:
work/source:50: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result
work/source:51: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result
work/source:53: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
work/source:60: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
work/source:67: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
work/source:69: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
