练7.3买图书 - Problem Solution - Hydro

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徐靖程 (lfyst2025030) LV 8 MOD @ 2025-5-16 17:21:28

#include<bits/stdc++.h>
using namespace std;
int main(){
  double n,m,a;
  cin>>m>>n;
  a=m-0.8*n;
  printf("%.2f",a);
  return 0;
}

ID

1056

Time

1000ms

Memory

64MiB

Difficulty

6

Tags

一本通编程启蒙

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