a673786103的博客

Evaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are +, -, *, /. Each operand may be an integer or another expression.Some examples ["2", "1", "+", "3", "*"] -...

int main() { priority_queue<int> qi; for( int i = 0 ; i < 10 ; i ++ ) qi.push(i); for( int i = 0 ; i < 10 ; i ++ ){ int t = qi.top(); cout << t << " "; qi.pop(); ...