821C - Okabe and Boxes 思路:模拟.因为只需要比较栈顶和当前要删除的值就可以了,所以如果栈顶和当前要删除的值不同时,栈就可以清空了(因为下一次的栈顶不可能出现在前面那些值中). 代码: #include<bits/stdc++.h> using namespace std; #define ll long long vector<int>st; int main() { ios::sync_with_stdio(false); cin.tie(); ,ans=…
C. Okabe and Boxes time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Okabe and Super Hacker Daru are stacking and removing boxes. There are n boxes numbered from 1 to n. Initially there are…
C. Balls and Boxes time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from…
C. Boxes Packing time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Mishka has got n empty boxes. For every i (1 ≤ i ≤ n), i-th box is a cube with side length ai. Mishka can put a box i into a…
