The number of steps Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描述 Mary stands in a strange maze, the maze looks like a triangle(the first layer have one room,the second layer have two rooms,the third layer have three rooms -). Now she st…
The number of steps Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描述 Mary stands in a strange maze, the maze looks like a triangle(the first layer have one room,the second layer have two rooms,the third layer have three rooms …). Now she st…
http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2623 The number of steps Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描述 Mary stands in a strange maze, the maze looks like a triangle(the first layer have one room,the…
转载请注明出处: http://www.cnblogs.com/fraud/ ——by fraud The number of steps Time Limit: 1 Sec Memory Limit: 128 M Description Mary stands in a strange maze, the maze looks like a triangle(the first layer have one room,the second layer have two ro…
D. Minimum number of steps time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output We have a string of letters 'a' and 'b'. We want to perform some operations on it. On each step we choose one of s…
cf劲啊 原题: We have a string of letters 'a' and 'b'. We want to perform some operations on it. On each step we choose one of substrings "ab" in the string and replace it with the string "bba". If we have no "ab" as a substring,…
http://codeforces.com/contest/805/problem/D D. Minimum number of steps time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output We have a string of letters 'a' and 'b'. We want to perform some opera…
805D - Minimum number of steps 思路:简单模拟,a每穿过后面一个b,b的个数+1,当这个a穿到最后,相当于把它后面的b的个数翻倍.每个a到达最后的步数相当于这个a与它后面已经到达最后的a之间的b的个数,只要从后面往前扫,记录b的个数,每遇到一个a,把b的个数加入答案,并且b的个数翻倍. 代码: #include<bits/stdc++.h> using namespace std; const int INF=0x3f3f3f3f; ; ; int main()…
Description Mary stands in a strange maze, the maze looks like a triangle(the first layer have one room,the second layer have two rooms,the third layer have three rooms …). Now she stands at the top point(the first layer), and the KEY of this maze is…
