【入门】四位数的和

1
lzx_yyds_2015 LV 3 @ 2026-4-1 12:51:53

#include<bits/stdc++.h> #define int long long using namespace std; signed main(){ int x,t=0; cin>>x; while(x){ t+=x%10; x/=10; } cout<<t; return 0; }
0
shaojianle LV 5 @ 2026-3-30 13:03:28

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; int s=n%10+n%100/10+n%1000/100+n/1000; cout<<s; return 0; }