Problem p02787 (C++)

Buggy submission (status: Runtime Error):
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define ll long long
#define ull unsigned long long
#define F first
#define S second
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename T, typename V> void __print(const pair<T, V> &x) {
  cerr << '{';
  __print(x.first);
  cerr << ',';
  __print(x.second);
  cerr << '}';
}
template <typename T> void __print(const T &x) {
  int f = 0;
  cerr << '{';
  for (auto &i : x)
    cerr << (f++ ? "," : ""), __print(i);
  cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V> void _print(T t, V... v) {
  __print(t);
  if (sizeof...(v))
    cerr << ", ";
  _print(v...);
}
#ifndef ONLINE_JUDGE
#define debug(x...)                                                            \
  cerr << "[" << #x << "] = [";                                                \
  _print(x)
#else
#define debug(x...)
#endif
const int MOD = 1e9 + 7;
const int N = 1e4 + 10;
const int INF = 1e9 + 5;

int d[N];
int main(void) {

#ifndef ONLINE_JUDGE
  freopen("input.txt", "r", stdin);
#endif

  int h, n;
  scanf("%d %d", &h, &n);
  for (int i = 0; i <= h; i++)
    d[i] = INF;
  d[0] = 0;
  while (n--) {
    int value, cost;
    scanf("%d %d", &value, &cost);
    for (int i = 0; i <= h; ++i) {
      int j = min(h, i + value);
      d[j] = min(d[j], d[i] + cost);
    }
  }
  printf("%d\n", d[h]);

  return false;
}


Fixed submission:
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define ll long long
#define ull unsigned long long
#define F first
#define S second
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename T, typename V> void __print(const pair<T, V> &x) {
  cerr << '{';
  __print(x.first);
  cerr << ',';
  __print(x.second);
  cerr << '}';
}
template <typename T> void __print(const T &x) {
  int f = 0;
  cerr << '{';
  for (auto &i : x)
    cerr << (f++ ? "," : ""), __print(i);
  cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V> void _print(T t, V... v) {
  __print(t);
  if (sizeof...(v))
    cerr << ", ";
  _print(v...);
}
#ifndef ONLINE_JUDGE
#define debug(x...)                                                            \
  cerr << "[" << #x << "] = [";                                                \
  _print(x)
#else
#define debug(x...)
#endif
const int MOD = 1e9 + 7;
const int N = 1e4 + 10;
const int INF = 1e9 + 5;

int d[N];
int main(void) {

#ifndef ONLINE_JUDGE
// freopen("input.txt", "r", stdin);
#endif

  int h, n;
  scanf("%d %d", &h, &n);
  for (int i = 0; i <= h; i++)
    d[i] = INF;
  d[0] = 0;
  while (n--) {
    int value, cost;
    scanf("%d %d", &value, &cost);
    for (int i = 0; i <= h; ++i) {
      int j = min(h, i + value);
      d[j] = min(d[j], d[i] + cost);
    }
  }
  printf("%d\n", d[h]);

  return false;
}