work/source: In function ‘void MST1()’:
work/source:47: error: ‘memset’ was not declared in this scope
work/source: In function ‘void MST2()’:
work/source:74: error: ‘memset’ was not declared in this scope
work/source: In function ‘int main()’:
work/source:99: error: ‘stdin’ was not declared in this scope
work/source:99: error: ‘freopen’ was not declared in this scope
work/source:100: error: ‘stdout’ was not declared in this scope
work/source:102: error: ‘scanf’ was not declared in this scope
work/source:123: error: ‘printf’ was not declared in this scope
work/source:125: error: ‘fclose’ was not declared in this scope
