work/source: In function ‘long long int SolveP1()’:
work/source:35: error: ‘abs’ was not declared in this scope
work/source: In function ‘int main()’:
work/source:51: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result
work/source:52: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result
work/source:54: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
work/source:61: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
work/source:68: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
work/source:70: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
