#include <cstdio>
#include <cmath>

using namespace std;

const int d[][2] = {{0, 0}, {-1, -1}, {-1, 0}, {-1, 1}, {0, -1}, {0, 0}, {0, 1}, {1, -1}, {1, 0}, {1, 1}};
long long ans;

int main() {
    int t;
    char ch;
    scanf("%d", &t);
    for (int i = 0, x, y; i < t; ++i) {
        ans = x = y = 0;
        for (scanf("%c", &ch); ch != '5'; scanf("%c", &ch)) {
            if (ch < '1' || ch > '9')
                continue;
            int _x = x, _y = y;
            ans += (x += d[ch - '0'][0]) * _y - _x * (y += d[ch - '0'][1]);
        }
        if (ans < 0)
            ans = -ans;
        if (ans % 2 == 0)
            printf("%lld\n", ans / 2);
        else
            printf("%lld.5\n", ans / 2);
    }
    return 0;
}

rt，这个代码有问题么？

• Re:怎么这个题也出现C++AC G++WA的囧事？ (33) zikunvan 2014-09-03 11:20:34
  • Re:怎么这个题也出现C++AC G++WA的囧事？ (24) zikunvan 2014-09-03 11:26:31