hdu 3682 10 杭州 现场 C - To Be an Dream Architect 简单容斥

#include <cstdio>
#include <cstring>
using namespace std;
int n,m;
int a,b,c,d;
bool xy[1001][1001],xz[1001][1001],yz[1001][1001];
int xylen[1001],yxlen[1001],yzlen[1001],zxlen[1001],zylen[1001],xzlen[1001];
char buff[100];
int xzheap[1001][2];
int read1(){
    int ans=0;
    for(int i=2;i<=6;i++){
        if(buff[i]>‘9‘||buff[i]<‘0‘)break;
        ans*=10;
        ans+=buff[i]-‘0‘;
    }
    return ans;
}
int read2(){
    int ans=0;
    int i=6;
    while(buff[i]>‘9‘||buff[i]<‘0‘){i++;}
    for(;;i++){
        if(buff[i]>‘9‘||buff[i]<‘0‘)break;
        ans*=10;
        ans+=buff[i]-‘0‘;
    }
    return ans;
}
void inset(char ch1,char ch2,int num1,int num2){
    if(ch1==‘X‘){
        if(ch2==‘Y‘){
            if(!xy[num1][num2]){
                a++;
                xy[num1][num2]=true;
                xylen[num1]++;
                yxlen[num2]++;
            }
        }
        if(ch2==‘Z‘){
            if(!xz[num1][num2]){
                xzheap[b][0]=num1;
                xzheap[b++][1]=num2;
                xz[num1][num2]=true;
                xzlen[num1]++;
                zxlen[num2]++;
            }
        }
    }
    if(ch1==‘Y‘){
        if(ch2==‘X‘){
            if(!xy[num2][num1]){
                a++;
                xy[num2][num1]=true;
                xylen[num2]++;
                yxlen[num1]++;
            }
        }
        if(ch2==‘Z‘){
            if(!yz[num1][num2]){
                c++;
                yz[num1][num2]=true;
                yzlen[num1]++;
                zylen[num2]++;
            }
        }
    }
    if(ch1==‘Z‘){
        if(ch2==‘X‘){
            if(!xz[num2][num1]){
                xzheap[b][0]=num2;
                xzheap[b++][1]=num1;
                xz[num2][num1]=true;
                xzlen[num2]++;
                zxlen[num1]++;
            }
        }
        if(ch2==‘Y‘){
            if(!yz[num2][num1]){
                c++;
                yz[num2][num1]=true;
                yzlen[num2]++;
                zylen[num1]++;
            }
        }
    }
}
void cl2ear(){
        a=b=c=d=0;
        memset(xy,0,sizeof(xy));
        memset(yz,0,sizeof(yz));
        memset(xz,0,sizeof(xz));
        memset(xylen,0,sizeof(xylen));
        memset(yxlen,0,sizeof(xylen));
        memset(zylen,0,sizeof(xylen));
        memset(yzlen,0,sizeof(xylen));
        memset(xzlen,0,sizeof(xylen));
        memset(zxlen,0,sizeof(xylen));
}
int main(){
    int T;
    scanf("%d",&T);
    while(T--){
        scanf("%d%d",&n,&m);
        cl2ear();
        for(int i=0;i<m;i++){
            scanf("%s",buff);
            bool fl=false;
            char ch1,ch2;int num1=read1(),num2=read2();
            for(int j=0;buff[j];j++){
                if(buff[j]==‘X‘||buff[j]==‘Y‘||buff[j]==‘Z‘){
                    if(!fl){
                        ch1=buff[j];
                        fl=true;
                    }
                    else {
                        ch2=buff[j];
                        break;
                    }
                }
            }
            inset(ch1,ch2,num1,num2);
        }
        for(int i=0;i<b;i++){
            for(int j=1;j<=n;j++){
                if(xy[xzheap[i][0]][j]&&yz[j][xzheap[i][1]])d++;
            }
        }
        int ans=n*a+n*b+n*c+d;
        int a=0;
        for(int i=1;i<=n;i++){
            a+=xylen[i]*xzlen[i]+yzlen[i]*yxlen[i]+zxlen[i]*zylen[i];
           // a+=yxlen[i]*zxlen[i]+zylen[i]*xylen[i]+xzlen[i]*yzlen[i];
        }
        ans-=a;
        printf("%d\n",ans);
    }
    return 0;
}