#include<bits/stdc++.h> using namespace std; int main(){ int a; cin >> a; double f = 0.0; int b[a + 1]; for(int i = 1;i <= a;i++){ cin >> b[i]; if(b[i] > 70){ if(b[i] % 70 == 0){ f +=b [i] / 70 * 1; } else f += b[i] / 70 + 1; } else f += 1; } cout << f / 10; }

#include<cstdio> #include<iostream> #include<cmath> using namespace std; int main(){ int a,b; double c=0.0; cin>>a; for(int i=1;i<=a;i++){ cin>>b; if(b<=70)c=c+0.1; else { while(1){ b-=70; c=c+0.1; if(b<0)break; } } } cout<<c; return 0; }

挑战不用iostream。

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#include<bits/stdc++.h> using namespace std; int main() { double n; cin>>n; int x; double sum=0.1n; for (int i=1;i<=n;i++) { cin>>x; if (x%70>0) x=x/70; else x=x/70-1; sum+=x0.1; } cout<<fixed<<setprecision(1)<<sum; return 0; }

import math n=int(input()) list1=map(int,input().split()) sum=0 for i in list1: sum+=math.ceil(i/70) print("%.1f"%(sum*0.1))

import math n=int(input()) list1=map(int,input().split()) sum=0 for i in list1: sum+=math.ceil(i/70) print("%.1f"%(sum*0.1))

#include<bits/stdc++.h> using namespace std; int main(){ int a; double c=0; cin>>a; for(int i=1;i<=a;i++){ int b; cin>>b; if(b<=70){ c+=0.1; } else{ while(b>=0){ c+=0.1; b-=70; } } } cout<<c; return 0; }