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  1. #include<bits/stdc++.h>
  2. #define ll long long int
  3. using namespace std;
  4. ll n,tree[1030][1030];
  5. void update(ll x,ll y,ll val)
  6. {
  7.     while(x<=n+5)
  8.     {
  9.         ll y1=y;
  10.         while(y1<=n+5)
  11.         {
  12.             tree[x][y1]+=val;
  13.             y1+= y1 & -y1;
  14.         }
  15.         x+= x & -x;
  16.     }
  17. }
  18. ll quary(ll x,ll y)
  19. {
  20.     ll sum=0;
  21.     while(x>0)
  22.     {
  23.         ll y1=y;
  24.         while(y1>0)
  25.         {
  26.             sum+=tree[x][y1];
  27.             y1-= y1 & -y1;
  28.         }
  29.         x-= x & -x;
  30.     }
  31.     return sum;
  32. }
  33. int main()
  34. {
  35.     ll t,T,x1,x2,y1,y2,ans,val;
  36.     char ch1[10];
  37.     string ch;
  38.     scanf("%lld",&T);
  39.     for(t=1;t<=T;t++)
  40.     {
  41.         scanf("%lld",&n);
  42.         memset(tree,0,sizeof tree);
  43.         while(1)
  44.         {
  45.             getchar();
  46.             scanf("%s",&ch1);
  47.             //ch=ch1;
  48.             if(ch1[1]=='E')
  49.             {
  50.                 scanf("%lld %lld %lld",&x1,&y1,&val);
  51.                 ans=quary(x1+1,y1+1)-quary(x1,y1);
  52.                 //update(x1+1,y1+1,-ans);
  53.                 update(x1+1,y1+1,val-ans);
  54.             }
  55.             if(ch1[1]=='U')
  56.             {
  57.                 scanf("%lld %lld %lld %lld",&x1,&y1,&x2,&y2);
  58.                 ans=quary(x2+1,y2+1)-quary(x1,y2+1)-quary(x2+1,y1)+quary(x1,y1);
  59.                 printf("%lld\n",ans);
  60.             }
  61.             if(ch1[1]=='N')
  62.                 break;
  63.         }
  64.         //if(t!=T)
  65.             printf("\n");
  66.     }
  67.     return 0;
  68. }
  69.  
Time limit exceeded #stdin #stdout 5s 10976KB
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https://ideone.com/4cPZi4
problem MATSUM, based on SPOJ submission 13664714 (C++ 4.3.2), 2015-02-14 14:20:49
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
secret

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