escription
Input
Output
Sample Input

Sample Output
1
2
2
HINT
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这道题是裸的二维树状数组.....直接每个颜色弄一个二维的树状数组然后容斥(也不知道算不算)就可以辣


#include<cstdio> #include<cstring> #include<algorithm> int read(){int ans=0,f=1,c=getchar();while(c<'0'||c>'9'){if(c=='-') f=-1; c=getchar();}while(c>='0'&&c<='9'){ans=ans*10+(c-'0'); c=getchar();}return ans*f; } int n,m,q,k,f[357][357]; int s[107][357][357]; #define lowbit(x) x&-x void ins(int b[357][357],int x,int y,int v){for(int i=x;i<=n;i+=lowbit(i))for(int j=y;j<=m;j+=lowbit(j)) b[i][j]+=v; } int query(int b[357][357],int x,int y){int sum=0;for(int i=x;i;i-=lowbit(i))for(int j=y;j;j-=lowbit(j)) sum+=b[i][j];return sum; } int main(){int x1,y1,x2,y2,c;n=read(); m=read();for(int i=1;i<=n;i++)for(int j=1;j<=m;j++) k=read(),ins(s[k],i,j,1),f[i][j]=k;q=read();for(int i=1;i<=q;i++){k=read();if(k==1){x1=read(); y1=read(); c=read();ins(s[f[x1][y1]],x1,y1,-1);f[x1][y1]=c;ins(s[f[x1][y1]],x1,y1,1);}else{x1=read(); x2=read();y1=read(); y2=read();c=read();printf("%d\n",query(s[c],x2,y2)-query(s[c],x2,y1-1)-query(s[c],x1-1,y2)+query(s[c],x1-1,y1-1));}}return 0; }