35 lines
422 B
C++
35 lines
422 B
C++
#include<iostream>
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using namespace std;
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int h,w,s,flag;
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char ch;
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int main()
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{
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#ifdef local
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freopen("pro.in","r",stdin);
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#endif
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while(cin>>h>>w)
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{
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s=0;
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for(int i=0;i<h;i++)
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{
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flag=0;
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for(int j=0;j<w;j++)
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{
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cin>>ch;
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switch(ch)
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{
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case '/':case '\\':
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flag=!flag;
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s++;
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break;
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case '.':
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s+=flag*2;
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break;
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}
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}
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}
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printf("%d\n",s/2);
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}
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return 0;
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}
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