poj3095

简单的模拟

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#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
using namespace std;

#define maxn 100

string st;
int n;

bool left(int a)
{
for (int i = a - 1; i >= 0; i--)
{
if (st[i] == '|' || st[i] == '\\' || st[i] == '/')
return false;
if (st[i] == '.')
return true;
}
return true;
}

bool right(int a)
{
for (int i = a + 1; i < n; i++)
{
if (st[i] == '|' || st[i] == '\\' || st[i] == '/')
return false;
if (st[i] == '.')
return true;
}
return true;
}

int main()
{
//freopen("D:\\t.txt", "r", stdin);
while (getline(cin, st) && st != "#")
{
n = st.length();
int sum = 0;
for (int i = 0; i < n; i++)
{
if (st[i] == '_')
{
sum += 0;
continue;
}
if (st[i] == '.')
{
sum += 100;
continue;
}
if (st[i] == '/')
{
sum += left(i) * 100;
continue;
}
if (st[i] == '\\')
{
sum += right(i) * 100;
continue;
}
if (st[i] == '|')
{
sum += left(i) * 50 + right(i) * 50;
continue;
}
}
cout << int(sum / double(n)) << endl;
}
return 0;
}

转载于:https://www.cnblogs.com/rainydays/archive/2011/03/13/1982670.html