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  • HDU 4451 Dressing

    先从衣服处理到裤子,在从裤子处理到鞋子

    #include <iostream>
    #include <cstdio>
    #include <cstdlib>
    #include <cstring>
    #include <algorithm>
    #include <queue>
    #include <vector>
    #include <cmath>
    #include <map>
    #include <string>
    using namespace std;
    
    const int maxn=1000+10;
    long long A[maxn][maxn];
    long long B[maxn][maxn];
    long long ans1[maxn],ans2[maxn];
    char s1[1000],s2[1000];
    int x,y;
    int n,m,k,p;
    
    int main()
    {
        while(~scanf("%d%d%d",&n,&m,&k))
        {
            if(!n&&!m&&!k) break;
            scanf("%d",&p);
    
            memset(ans1,0,sizeof ans1);
            memset(ans2,0,sizeof ans2);
    
            for(int i=1;i<=n;i++)
                for(int j=1;j<=m;j++) A[i][j]=0;
    
            for(int i=1;i<=m;i++)
                for(int j=1;j<=k;j++) B[i][j]=0;
    
            for(int i=1; i<=p; i++)
            {
                scanf("%s",s1); scanf("%d",&x);
    
                scanf("%s",s2); scanf("%d",&y);
    
                if(strcmp("clothes",s1)==0) A[x][y]=1;
    
                else if(strcmp("pants",s1)==0) B[x][y]=1;
    
            }
    
            for(int j=1; j<=m; j++)
            {
                long long sum=0;
                for(int i=1; i<=n; i++)
                {
                    if(A[i][j]==0)
                        sum=sum+1;
                }
                ans1[j]=sum;
            }
    
            for(int j=1; j<=k; j++)
            {
                long long sum=0;
                for(int i=1; i<=m; i++)
                {
                    if(B[i][j]==0)
                    {
                        sum=sum+ans1[i];
                    }
                }
                ans2[j]=sum;
            }
            long long ans=0;
            for(int i=1; i<=k; i++) ans=ans+ans2[i];
            printf("%lld
    ",ans);
        }
        return 0;
    }
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  • 原文地址:https://www.cnblogs.com/zufezzt/p/5164409.html
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