Problem p00762 (C++) — buggy submission, verdict: Runtime Error

#include <algorithm>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <iomanip>
#include <iostream>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <stack>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <utility>
#include <vector>

using namespace std;

#define ll long long
#define ld long double
#define EPS 0.0000000001
#define INF 1e9
#define MOD 1000000007
#define rep(i, n) for (i = 0; i < (n); i++)
#define loop(i, a, n) for (i = a; i < (n); i++)
#define all(in) in.begin(), in.end()
#define shosu(x) fixed << setprecision(x)

typedef vector<int> vi;
typedef vector<string> vs;
typedef pair<int, int> pii;

#define max_n 100

int v[max_n][max_n];  // 上面にかかれた数
int h[max_n][max_n];  // サイコロの高さ
int geta = max_n / 2; // 中央(geta,geta)
int p[7][7] = {};

void fall(int x, int y, int top, int front, int side) {

  for (int i = 6; i >= 4; i--) {
    if (top != i && top != 7 - i) { // iが側面にある
      if (front == i) {
        if (h[x - 1][y] >= h[x][y])
          continue;
        fall(x - 1, y, 7 - front, top, p[7 - front][top]);
      } else if (front == 7 - i) {
        if (h[x + 1][y] >= h[x][y])
          continue;
        fall(x + 1, y, front, 7 - top, p[front][7 - top]);
      } else if (side == i) {
        if (h[x][y + 1] >= h[x][y])
          continue;
        fall(x, y + 1, 7 - side, front, top);
      } else if (side == 7 - i) {
        if (h[x][y - 1] >= h[x][y])
          continue;
        fall(x, y - 1, side, front, 7 - top);
      }
      return;
    }
  }

  h[x][y]++;
  v[x][y] = top;
}

int main(void) {
  int i, j;
  int n;

  p[1][2] = 3;
  p[1][3] = 5;
  p[1][4] = 2;
  p[1][5] = 4;

  p[2][1] = 4;
  p[2][3] = 1;
  p[2][4] = 6;
  p[2][6] = 3;

  p[3][1] = 2;
  p[3][2] = 6;
  p[3][5] = 1;
  p[3][6] = 5;

  p[4][1] = 5;
  p[4][2] = 1;
  p[4][5] = 6;
  p[4][6] = 2;

  p[5][1] = 3;
  p[5][3] = 6;
  p[5][4] = 1;
  p[5][6] = 4;

  p[6][2] = 4;
  p[6][3] = 2;
  p[6][4] = 5;
  p[6][5] = 3;

  while (cin >> n, n) {
    rep(i, max_n) rep(j, max_n) {
      v[i][j] = 0;
      h[i][j] = 0;
    }

    rep(i, n) {
      int t, f;
      cin >> t >> f;

      fall(geta, geta, t, f, p[t][f]);
    }

    vi ans(6, 0);
    rep(i, max_n) rep(j, max_n) if (v[i][j] >= 1 && v[i][j] <= 6) {
      ans[v[i][j] - 1]++;
    }

    rep(i, 6) {
      cout << ans[i];
      if (i < 5)
        cout << " ";
      else
        cout << endl;
    }
  }
}


Error: -6
double free or corruption (out)


Fixed submission:

#include <algorithm>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <iomanip>
#include <iostream>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <stack>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <utility>
#include <vector>

using namespace std;

#define ll long long
#define ld long double
#define EPS 0.0000000001
#define INF 1e9
#define MOD 1000000007
#define rep(i, n) for (i = 0; i < (n); i++)
#define loop(i, a, n) for (i = a; i < (n); i++)
#define all(in) in.begin(), in.end()
#define shosu(x) fixed << setprecision(x)

typedef vector<int> vi;
typedef vector<string> vs;
typedef pair<int, int> pii;

#define max_n 100

int v[max_n][max_n];  // 上面にかかれた数
int h[max_n][max_n];  // サイコロの高さ
int geta = max_n / 2; // 中央(geta,geta)
int p[7][7] = {};

void fall(int x, int y, int top, int front, int side) {

  for (int i = 6; i >= 4; i--) {
    if (top != i && top != 7 - i) { // iが側面にある
      if (front == i) {
        if (h[x - 1][y] >= h[x][y])
          continue;
        fall(x - 1, y, 7 - front, top, p[7 - front][top]);
      } else if (front == 7 - i) {
        if (h[x + 1][y] >= h[x][y])
          continue;
        fall(x + 1, y, front, 7 - top, p[front][7 - top]);
      } else if (side == i) {
        if (h[x][y + 1] >= h[x][y])
          continue;
        fall(x, y + 1, 7 - side, front, top);
      } else if (side == 7 - i) {
        if (h[x][y - 1] >= h[x][y])
          continue;
        fall(x, y - 1, side, front, 7 - top);
      }
      return;
    }
  }

  h[x][y]++;
  v[x][y] = top;
}

int main(void) {
  int i, j;
  int n;

  p[1][2] = 3;
  p[1][3] = 5;
  p[1][4] = 2;
  p[1][5] = 4;

  p[2][1] = 4;
  p[2][3] = 1;
  p[2][4] = 6;
  p[2][6] = 3;

  p[3][1] = 2;
  p[3][2] = 6;
  p[3][5] = 1;
  p[3][6] = 5;

  p[4][1] = 5;
  p[4][2] = 1;
  p[4][5] = 6;
  p[4][6] = 2;

  p[5][1] = 3;
  p[5][3] = 6;
  p[5][4] = 1;
  p[5][6] = 4;

  p[6][2] = 4;
  p[6][3] = 2;
  p[6][4] = 5;
  p[6][5] = 3;

  while (cin >> n, n) {
    rep(i, max_n) rep(j, max_n) {
      v[i][j] = 0;
      h[i][j] = 0;
    }

    rep(i, n) {
      int t, f;
      cin >> t >> f;

      fall(geta, geta, t, f, p[t][f]);
    }

    vi ans(6, 0);
    rep(i, max_n) rep(j, max_n) { ans[v[i][j] - 1]++; }

    rep(i, 6) {
      cout << ans[i];
      if (i < 5)
        cout << " ";
      else
        cout << endl;
    }
  }
}