func_code_string: #include <bits/stdc++.h>   using namespace std;   int n;   long long dp[210][210];   struct point {     long long x, y;     void read() { scanf( %I64d%I64d , &x, &y); }   } P[210];   long long cross(point a, point b, point c) {     return (b.x - a.x) * (c.y - a.y) - (b.y - a.y) * (c.x - a.x);   }   int main() {     long long s = 0;     scanf( %d , &n);     for (int i = 1; i <= n; i++) P[i].read();     P[n + 1] = P[1];     for (int i = 2; i <= n; i++) s += cross(P[1], P[i], P[i + 1]);     if (s > 0)       for (int i = 1; i <= n / 2; i++) swap(P[i], P[n - i + 1]);     for (int i = 1; i < n; i++) dp[i][i + 1] = 1;     for (int i = 2; i < n; i++)       for (int j = 1; j <= n - i; j++)         for (int k = j + 1; k < i + j; k++)           if (cross(P[j], P[i + j], P[k]) > 0)             dp[j][i + j] = (dp[j][i + j] + dp[j][k] * dp[k][i + j]) % 1000000007;     printf( %I64d , dp[1][n]);   }   