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Q

Jun 9th, 2022
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0
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C 0.22 KB | None | 0 0
  1. #include<stdio.h>
  2. int main()
  3. {
  4.     int n;
  5.     scanf("%d",&n);
  6.     long long a,b,i,ans=0;
  7.     scanf("%lld",&a);
  8.     for(i=2;i<=n;i++)
  9.     {
  10.         scanf("%lld",&b);
  11.         if(b-a>0)
  12.         ans+=(b-a);
  13.         a=b;
  14.     }
  15.     printf("%lld",ans);
  16.     return 0;
  17. }
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