题目 求所有子区间中不同元素之和. 分析 枚举相邻的相同数字形成的区间,计算它是哪些区间的子区间,每次有-1的贡献,将其从总贡献中减去. #include<bits/stdc++.h> using namespace std; typedef long long ll; + ; int n; vector<int>a[maxn]; int limit; //出现过的最大值 int main() { scanf("%d", &n); ;i <= n;…
Mishka and trip time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Mishka is a great traveller and she visited many countries. After thinking about where to travel this time, she chose…
B. Mishka and trip time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Mishka is a great traveller and she visited many countries. After thinking about where to travel this time, she cho…
B. Mishka and trip time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Mishka is a great traveller and she visited many countries. After thinking about where to travel this time, she…
F - Mishka and trip Sample Output Hint In the first sample test: In Peter's first test, there's only one cycle with 1 vertex. First player cannot make a move and loses. In his second test, there's one cycle with 1 vertex and one with 2. No one can…
C. Playlist time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You have a playlist consisting of nn songs. The ii-th song is characterized by two numbers titi and bibi — its length and beauty…