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  1. #include <bits/stdc++.h>
  2. #define maxn 10e9+7
  3.  
  4. using namespace std;
  5.  
  6. long long L = 0, R = 0;
  7. long long G = 0;
  8. char s;
  9. int a, kq = 0;
  10.  
  11. int main()
  12. {
  13.     while(cin >> s)
  14.     {
  15.         cin >> a;
  16.         if (s == 'L')
  17.         {
  18.             G -= a;
  19.             if (G < L)
  20.                 kq += L - G, L = G;
  21.         }
  22.         if (s == 'R')
  23.         {
  24.             G += a;
  25.             if (G > R)
  26.                 kq += G - R, R = G;
  27.         }
  28.     }
  29.     cout << kq;
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout 0s 2732KB
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https://ideone.com/dPaQhS
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
public

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