104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
#include<iostream>
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using namespace std;
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int a[1010][1010],c[1010][1010],n=1005;
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int lowbit(int x)
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{
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return x&(-x);
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}
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int sum(int x,int y)
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{
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int i,j,sum=0;
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for(i=x;i>0;i-=lowbit(i))
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{
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for(j=y;j>0;j-=lowbit(j))
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{
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sum+=c[i][j];
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}
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}
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return sum;
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}
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void inster(int x,int y,int z)
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{
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int i,j;
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for(i=x;i<=n;i+=lowbit(i))
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{
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for(j=y;j<=n;j+=lowbit(j))
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{
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c[i][j]+=z;
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}
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}
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}
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int main()
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{
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int x1,y1,x2,y2,t,m,i,j,n1,f=0;
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scanf("%d",&t);
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while(t--)
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{
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printf("Case %d:\n",++f);
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memset(a,0,sizeof(a));
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memset(c,0,sizeof(c));
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for(i=1;i<=n;i++)
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for(j=1;j<=n;j++)
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{
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a[i][j]=1;
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inster(i,j,1);
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}
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scanf("%d",&m);
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while(m--)
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{
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char s;
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getchar();
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s=getchar();
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if(s=='S')
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{
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scanf("%d%d%d%d",&x1,&y1,&x2,&y2);
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x1++;x2++;y1++;y2++;
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if(x1>x2)
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swap(x1,x2);
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if(y1>y2)
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swap(y1,y2);
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printf("%d\n",sum(x2,y2)-sum(x2,y1-1)-sum(x1-1,y2)+sum(x1-1,y1-1));
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}
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else
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if(s=='A')
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{
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scanf("%d%d%d",&x1,&y1,&n1);
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x1++;y1++;
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inster(x1,y1,n1);
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a[x1][y1]+=n1;
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}
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else
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if(s=='D')
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{
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scanf("%d%d%d",&x1,&y1,&n1);
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x1++;y1++;
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if(n1>a[x1][y1])
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n1=a[x1][y1];
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inster(x1,y1,-n1);
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a[x1][y1]-=n1;
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}
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else
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if(s=='M')
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{
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scanf("%d %d %d %d %d",&x1,&y1,&x2,&y2,&n1);
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x1++;y1++;x2++;y2++;
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if(a[x1][y1]>=n1)
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{
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a[x1][y1]-=n1;
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inster(x1,y1,-n1);
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inster(x2,y2,n1);
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a[x2][y2]+=n1;
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}
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else
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{
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inster(x1,y1,-a[x1][y1]);
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inster(x2,y2,a[x1][y1]);
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a[x2][y2]+=a[x1][y1];
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a[x1][y1]=0;
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}
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}
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}
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}
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return 0;
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}
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