32 lines
658 B
C++
32 lines
658 B
C++
#include<cstdio>
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#include<cstring>
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int v1[1001],v2[1001];
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int main()
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{
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int n,m,k,x,y,p;
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char s1[10],s2[10];
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while(scanf("%d%d%d",&n,&m,&k),n||m||k)
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{
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memset(v1,0,sizeof(v1));
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memset(v2,0,sizeof(v2));
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int ans=n*m*k;
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scanf("%d",&p);
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while(p--)
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{
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scanf("%s%d%s%d",s1,&x,s2,&y);
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if(s1[0]=='c')
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{
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v1[y]++;
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ans-=(k-v2[y]);
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}
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else
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{
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v2[x]++;
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ans-=(n-v1[x]);
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}
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}
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printf("%d\n",ans);
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}
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return 0;
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}
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