Problem p03546 (C++)

Buggy submission (status: Runtime Error):
#include <bits/stdc++.h>
using ll = long long;
#define int ll
#define rep(i, n) for (int i = 0; i < n; i++)
#define loop(i, s, n) for (int i = s; i < n; i++)
#define erep(e, v) for (auto &&e : v)
#define all(in) in.begin(), in.end()
#define MP make_pair
#define INF (sizeof(int) == 4 ? (int)1e9 : (int)1e18)
#define EPS 0.0000000001
using namespace std;
template <class T, class S> void cmin(T &a, const S &b) {
  if (a > b)
    a = b;
}
template <class T, class S> void cmax(T &a, const S &b) {
  if (a < b)
    a = b;
}
template <typename Head, typename Value>
auto vectors(const Head &head, const Value &v) {
  return vector<Value>(head, v);
}
template <typename Head, typename... Tail> auto vectors(Head x, Tail... tail) {
  auto inner = vectors(tail...);
  return vector<decltype(inner)>(x, inner);
}
template <class T> void join(T a) {
  for (auto itr : a) {
    if (itr != *a.begin())
      cout << " ";
    cout << itr;
  }
}
using ld = long double;
using pii = pair<int, int>;
using piii = pair<int, pii>;
int W, H;
int dx[] = {0, 0, 1, -1}, dy[] = {1, -1, 0, 0};
bool valid(int x, int y) { return (0 <= x && x < W) && (0 <= y && y < H); }
signed main() {
  cin >> H >> W;
  vector<vector<int>> c(10, vector<int>(10, INF));
  rep(i, 10) rep(j, 10) cin >> c[i][j];
  rep(k, 10) rep(i, 10) rep(j, 10) cmin(c[i][j], c[i][k] + c[k][j]);
  vector<vector<int>> g(H, vector<int>(W, 0));
  rep(i, H) rep(j, W) cin >> g[i][j];
  int ans = 0;
  rep(i, H) rep(j, W) {
    int e = g[i][j];
    if (e == -1 or e == 1)
      continue;
    ans += c[e - 1][0];
  }
  cout << ans << endl;
}


Fixed submission:
#include <bits/stdc++.h>
using ll = long long;
#define int ll
#define rep(i, n) for (int i = 0; i < n; i++)
#define loop(i, s, n) for (int i = s; i < n; i++)
#define erep(e, v) for (auto &&e : v)
#define all(in) in.begin(), in.end()
#define MP make_pair
#define INF (sizeof(int) == 4 ? (int)1e9 : (int)1e18)
#define EPS 0.0000000001
using namespace std;
template <class T, class S> void cmin(T &a, const S &b) {
  if (a > b)
    a = b;
}
template <class T, class S> void cmax(T &a, const S &b) {
  if (a < b)
    a = b;
}
template <typename Head, typename Value>
auto vectors(const Head &head, const Value &v) {
  return vector<Value>(head, v);
}
template <typename Head, typename... Tail> auto vectors(Head x, Tail... tail) {
  auto inner = vectors(tail...);
  return vector<decltype(inner)>(x, inner);
}
template <class T> void join(T a) {
  for (auto itr : a) {
    if (itr != *a.begin())
      cout << " ";
    cout << itr;
  }
}
using ld = long double;
using pii = pair<int, int>;
using piii = pair<int, pii>;
int W, H;
int dx[] = {0, 0, 1, -1}, dy[] = {1, -1, 0, 0};
bool valid(int x, int y) { return (0 <= x && x < W) && (0 <= y && y < H); }
signed main() {
  cin >> H >> W;
  vector<vector<int>> c(10, vector<int>(10, INF));
  rep(i, 10) rep(j, 10) cin >> c[i][j];
  rep(k, 10) rep(i, 10) rep(j, 10) cmin(c[i][j], c[i][k] + c[k][j]);
  vector<vector<int>> g(H, vector<int>(W, 0));
  rep(i, H) rep(j, W) cin >> g[i][j];
  int ans = 0;
  rep(i, H) rep(j, W) {
    int e = g[i][j];
    if (e == -1 or e == 1)
      continue;
    ans += c[e][1];
  }
  cout << ans << endl;
}