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Submission #45836

# Submission time Handle Problem Language Result Execution time Memory
45836 2018-04-16T08:59:03 Z Talant Jakarta Skyscrapers (APIO15_skyscraper) C++17
0 / 100
 11 ms 10032 KB 
#include <bits/stdc++.h>

#define fr first
#define sc second
#define OK puts("OK");
#define pb push_back
#define mk make_pair
#define int long long

using namespace std;

typedef long long ll;

const int inf = (int)1e15 + 7;
const int N = (int)2e5 + 7;

int n,m;
int b[N],p[N];
int d[N];

vector <int> vec[N];
vector <pair<int,int> > g[N];
priority_queue<pair<int,int> > q;

bool check (int l,int r) {
      if (abs(b[r] - b[l]) % p[l] == 0)
            return true;
      return false;
}
int f (int l,int r) {
      return (abs(b[r] - b[l] ) / p[l]);
}
main () {
      cin >> n >> m;

      for (int i = 1; i <= m; i ++) {
            cin >> b[i] >> p[i];
            b[i] ++;
            vec[b[i]].pb(p[i]);
      }

      for (int i = 1; i <= m; i ++)
            d[i] = inf;
      d[1] = 0;

      q.push({0,1});

      while (!q.empty()) {
            int v = q.top().sc,cur = -q.top().fr;
            q.pop();

            if (cur > d[v] || d[2] <= cur)
                  continue;

            for (int i = 1; i <= n; i ++) {
                  if (i == v || !check(v,i))
                        continue;
                  int len = f(v,i);

                  if (d[v] + len < d[i]) {
                        d[i] = d[v] + len;
                        q.push({-d[i],i});
                  }
            }
      }
      if (d[2] == inf)
            puts("-1");
      else
            cout << d[2] << endl;
}

Compilation message

skyscraper.cpp:33:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Output is correct
2 Incorrect 9 ms 9720 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9772 KB Output is correct
2 Incorrect 9 ms 9820 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9820 KB Output is correct
2 Incorrect 9 ms 9948 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9948 KB Output is correct
2 Incorrect 9 ms 10028 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 10028 KB Output is correct
2 Incorrect 9 ms 10032 KB Output isn't correct
3 Halted 0 ms 0 KB -