火影手游回调秽土鼬

def updic(val,dic): if val in dic: dic[val] += 1 else: dic[val]=1 N,C = map(int,input().split()) x = input() a = []; j = 0; dic = {} for i in range(len(x)): if x[i] == " ": a.append(int(x[i-j:i])) updic(a[-1],dic) j=0 else: j += 1 a.append(int(x[i-j+1:i+1]))
updic(a[-1], dic)

ans = 0 for k in dic: t = k-C if t in dic: ans += dic[t]*dic[k] print(ans)

陈旭洋爱玩galgame

#include<bits/stdc++.h>
using namespace std;
int n,c,ans,a[100005];
int main(){
    cin>>n>>c;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(a[i]+c==a[j]){
                ans++;
            }
        }
    }
    cout<<ans;
    return 0;
}

def updic(val,dic):
    if val in dic:
        dic[val] += 1
    else:
        dic[val]=1
N,C = map(int,input().split())
x = input()
a = []; j = 0; dic = {}
for i in range(len(x)):
    if x[i] == " ":
        a.append(int(x[i-j:i]))
        updic(a[-1],dic)
        j=0
    else:
        j += 1
a.append(int(x[i-j+1:i+1]))  #思考：这行代码的功能是什么？
updic(a[-1], dic)

ans = 0
for k in dic:
    t = k-C
    if t in dic:
        ans += dic[t]*dic[k]
print(ans)

`def updic(val,dic): if val in dic: dic[val] += 1 else: dic[val]=1

N,C = map(int,input().split()) x = input() a = []; j = 0; dic = {} for i in range(len(x)): if x[i] == " ": a.append(int(x[i-j:i])) updic(a[-1],dic) j=0 else: j += 1 a.append(int(x[i-j+1:i+1])) #思考：这行代码的功能是什么？ updic(a[-1], dic)#将最后一个数放入 ans = 0 for k in dic: t = k-C if t in dic: ans += dic[t]*dic[k] print(ans) `