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全部文章（共14篇）

题解 | 灵异背包？

import sys m=int(input()) arr=list(map(int,input().split())) arr.sort() result=sum(arr) if sum(arr)%2==0: print(sum(arr)) else: for i in arr:...

2026-05-09

0 6

题解 | 最大子段和

import sys input=sys.stdin.readline n=int(input()) a=list(map(int,input().split())) current=res_max=a[0] for i in range(1,n): current=max(a[i], c...

2026-04-11

0 27

题解 | 数楼梯

#两种方法 import sys n=int(input()) result=[0]*(n+1) for i in range(1,n+1): if i==1: result[i]=1 elif i==2: result[i]=2 else:...

2026-04-11

0 33

题解 | 【模板】二维前缀和

import sys import sys input = sys.stdin.read data = input().split() idx = 0 n = int(data[idx]) m = int(data[idx + 1]) q = int(data[idx + 2]) idx +=...

2026-04-10

0 37

题解 | 【模板】差分

import sys n, m = map(int, input().split()) s = list(map(int, input().split())) diff= [0]*(n+1) for _ in range(m): l,r,k= map(int, input().split...

2026-04-08

0 27

题解 | 【模板】静态区间和（前缀和）

import sys from itertools import accumulate n,q=map(int,input().split()) s=list(map(int,input().split())) result=0 sum=[0]+list(accumulate(s)) for _ ...

2026-04-08

0 28

题解 | 分解质因数

import sys def func(x): for i in range(2,x): if x%i==0: return False return True n= int(input()) result=[] x=2 while n!=1...

2026-04-08

0 30

题解 | 01序列

import sys input=sys.stdin.readline m=int(input()) cnt=0 s=list(map(int,input().split())) n=int(input()) for i in range(1,m-1): if s[i]==0 and s[...

2026-04-06

0 40

题解 | 分数线划定

import sys n,m= map(int,input().split()) biaoge=[] cnt=0 t=int(m*1.5) for i in range(n): k,s=map(int,input().split()) biaoge.append([k,s]) bi...

2026-04-03

0 42

题解 | 小红的回文串

import sys s = int(input()) for _ in range(s): n = input() n = n.replace("w", "vv") n = n.replace("m", &quo...

2026-03-29

0 35