oj.uz

Submission #45927

# Submission time Handle Problem Language Result Execution time Memory
45927 2018-04-16T13:44:40 Z TheDarkning Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 3192 KB 
/**
                  ▄█▀ ▀█▀ ▄▀▄ █▀ █▄█▄█ ▄▀▄ █▀ ▄█▀
                  <⇋⇋⇋⋛∰≓⊂(⌒,_ゝ⌒)⊃≓∰⋛⇋⇋⇋>

            ♔♕♖♗♘♙ ☜❷☞✪ ィℋ६ ≈ ᗫẵℜℵĬŊĞ ✪☜❷☞ ♚♛♜♝♞♟
            ♔♕♖♗♘♙                             ♚♛♜♝♞♟
                      ˙·٠•●♥ Ƹ̵̡Ӝ̵̨̄Ʒ ♥●•٠·˙

**/

#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <time.h>
#include <map>
#include <deque>
#include <string>
#include <memory.h>
#include <queue>
#include <set>
#include <assert.h>

#define sz(s) s.size()
#define pb push_back
#define fr first
#define sc second
#define mk make_pair
#define all(s) s.begin(), s.end()

using namespace std;

const int N = 3e4 + 5;
const int inf = 1e9 + 7;

int n, m, p, b, x, s, cnt;
int d[N];
vector < int > w[N];
priority_queue < pair < int, int > > q;

main()
{
   scanf("%d%d", &n, &m);

   for( int i = 1; i <= m; i++ )
   {
      scanf("%d%d", &p, &b);
      p++;

      if( i == 1 )
         s = p;
      if( i == 2 )
         x = p;

      w[ p ].pb( b );
   }
   for (int i = 1; i <= n; i ++) {
      sort (w[i].begin(),w[i].end());
      w[i].erase(unique(w[i].begin(),w[i].end()),w[i].end());
   }
   for (int i = 1; i <= n; i ++)
      d[i] = inf;

   d[ s ] = 0;

   q.push( mk( d[s], s ) );

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

      if( cur > d[ v ] ) continue;

      if (v == x) {
         printf("%d", d[v]);
         return 0;
      }
      for( int l : w[v] )
      {
         int to = v;
         cnt = 0;

         while( to <= n )
         {
            cnt++;
            to = v + l * cnt;
            if( to > n )  break;
            if( d[ v ] + cnt < d[ to ] )
            {
               d[ to ] = d[ v ] + cnt;
               q.push( mk( -d[ to ], to ) );
            }
         }

         to = v;
         cnt = 0;

         while( to )
         {
            cnt++;
            to = v - l * cnt;
            if( to <= 0 ) break;
            if( d[ v ] + cnt < d[ to ] )
            {
               d[ to ] = d[ v ] + cnt;
               q.push( mk( -d[ to ], to ) );
            }
         }
      }
   }
   if( d[ x ] == inf )
      d[ x ] = -1;
   printf("%d", d[x]);
}

Compilation message

skyscraper.cpp:42:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:44:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d%d", &n, &m);
    ~~~~~^~~~~~~~~~~~~~~~
skyscraper.cpp:48:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d%d", &p, &b);
       ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1016 KB Output is correct
2 Correct 3 ms 1128 KB Output is correct
3 Correct 2 ms 1128 KB Output is correct
4 Correct 2 ms 1128 KB Output is correct
5 Correct 3 ms 1128 KB Output is correct
6 Correct 2 ms 1152 KB Output is correct
7 Correct 2 ms 1160 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1160 KB Output is correct
2 Correct 2 ms 1160 KB Output is correct
3 Correct 2 ms 1176 KB Output is correct
4 Correct 2 ms 1184 KB Output is correct
5 Correct 3 ms 1200 KB Output is correct
6 Correct 2 ms 1200 KB Output is correct
7 Correct 2 ms 1200 KB Output is correct
8 Correct 2 ms 1200 KB Output is correct
9 Correct 2 ms 1200 KB Output is correct
10 Correct 3 ms 1200 KB Output is correct
11 Correct 4 ms 1200 KB Output is correct
12 Correct 3 ms 1200 KB Output is correct
13 Correct 3 ms 1200 KB Output is correct
14 Correct 4 ms 1200 KB Output is correct
15 Correct 3 ms 1200 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1200 KB Output is correct
2 Correct 3 ms 1256 KB Output is correct
3 Correct 3 ms 1256 KB Output is correct
4 Correct 3 ms 1256 KB Output is correct
5 Correct 3 ms 1256 KB Output is correct
6 Correct 2 ms 1260 KB Output is correct
7 Correct 3 ms 1388 KB Output is correct
8 Correct 2 ms 1388 KB Output is correct
9 Correct 2 ms 1388 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 3 ms 1388 KB Output is correct
12 Correct 3 ms 1388 KB Output is correct
13 Correct 3 ms 1388 KB Output is correct
14 Correct 3 ms 1388 KB Output is correct
15 Correct 3 ms 1388 KB Output is correct
16 Correct 3 ms 1388 KB Output is correct
17 Correct 3 ms 1388 KB Output is correct
18 Correct 2 ms 1388 KB Output is correct
19 Correct 3 ms 1388 KB Output is correct
20 Correct 14 ms 1404 KB Output is correct
21 Correct 3 ms 1404 KB Output is correct
22 Correct 3 ms 1404 KB Output is correct
23 Correct 3 ms 1404 KB Output is correct
24 Correct 3 ms 1404 KB Output is correct
25 Correct 3 ms 1404 KB Output is correct
26 Correct 4 ms 1404 KB Output is correct
27 Correct 3 ms 1404 KB Output is correct
28 Correct 3 ms 1404 KB Output is correct
29 Correct 4 ms 1532 KB Output is correct
30 Correct 3 ms 1532 KB Output is correct
31 Correct 3 ms 1532 KB Output is correct
32 Correct 4 ms 1532 KB Output is correct
33 Correct 6 ms 1532 KB Output is correct
34 Correct 5 ms 1532 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1532 KB Output is correct
2 Correct 2 ms 1532 KB Output is correct
3 Correct 3 ms 1532 KB Output is correct
4 Correct 2 ms 1532 KB Output is correct
5 Correct 2 ms 1532 KB Output is correct
6 Correct 2 ms 1532 KB Output is correct
7 Correct 3 ms 1532 KB Output is correct
8 Correct 2 ms 1532 KB Output is correct
9 Correct 3 ms 1532 KB Output is correct
10 Correct 2 ms 1532 KB Output is correct
11 Correct 3 ms 1532 KB Output is correct
12 Correct 3 ms 1532 KB Output is correct
13 Correct 3 ms 1532 KB Output is correct
14 Correct 3 ms 1532 KB Output is correct
15 Correct 3 ms 1532 KB Output is correct
16 Correct 3 ms 1532 KB Output is correct
17 Correct 4 ms 1532 KB Output is correct
18 Correct 3 ms 1532 KB Output is correct
19 Correct 3 ms 1532 KB Output is correct
20 Correct 16 ms 1532 KB Output is correct
21 Correct 3 ms 1532 KB Output is correct
22 Correct 3 ms 1532 KB Output is correct
23 Correct 4 ms 1532 KB Output is correct
24 Correct 3 ms 1532 KB Output is correct
25 Correct 4 ms 1532 KB Output is correct
26 Correct 3 ms 1532 KB Output is correct
27 Correct 4 ms 1532 KB Output is correct
28 Correct 3 ms 1532 KB Output is correct
29 Correct 4 ms 1656 KB Output is correct
30 Correct 3 ms 1656 KB Output is correct
31 Correct 3 ms 1656 KB Output is correct
32 Correct 3 ms 1656 KB Output is correct
33 Correct 5 ms 1656 KB Output is correct
34 Correct 5 ms 1656 KB Output is correct
35 Correct 11 ms 1656 KB Output is correct
36 Correct 4 ms 1656 KB Output is correct
37 Correct 9 ms 1656 KB Output is correct
38 Correct 20 ms 1660 KB Output is correct
39 Correct 17 ms 1660 KB Output is correct
40 Correct 12 ms 1664 KB Output is correct
41 Correct 20 ms 1664 KB Output is correct
42 Correct 9 ms 1664 KB Output is correct
43 Correct 9 ms 1664 KB Output is correct
44 Correct 19 ms 1664 KB Output is correct
45 Correct 15 ms 1664 KB Output is correct
46 Correct 13 ms 1664 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1664 KB Output is correct
2 Correct 2 ms 1664 KB Output is correct
3 Correct 2 ms 1664 KB Output is correct
4 Correct 3 ms 1664 KB Output is correct
5 Correct 2 ms 1664 KB Output is correct
6 Correct 3 ms 1664 KB Output is correct
7 Correct 3 ms 1664 KB Output is correct
8 Correct 3 ms 1664 KB Output is correct
9 Correct 3 ms 1664 KB Output is correct
10 Correct 3 ms 1664 KB Output is correct
11 Correct 3 ms 1664 KB Output is correct
12 Correct 3 ms 1664 KB Output is correct
13 Correct 3 ms 1664 KB Output is correct
14 Correct 3 ms 1664 KB Output is correct
15 Correct 3 ms 1664 KB Output is correct
16 Correct 3 ms 1664 KB Output is correct
17 Correct 4 ms 1664 KB Output is correct
18 Correct 3 ms 1664 KB Output is correct
19 Correct 3 ms 1664 KB Output is correct
20 Correct 14 ms 1664 KB Output is correct
21 Correct 3 ms 1664 KB Output is correct
22 Correct 3 ms 1664 KB Output is correct
23 Correct 4 ms 1664 KB Output is correct
24 Correct 5 ms 1664 KB Output is correct
25 Correct 4 ms 1664 KB Output is correct
26 Correct 4 ms 1664 KB Output is correct
27 Correct 4 ms 1664 KB Output is correct
28 Correct 4 ms 1664 KB Output is correct
29 Correct 5 ms 1664 KB Output is correct
30 Correct 4 ms 1664 KB Output is correct
31 Correct 4 ms 1664 KB Output is correct
32 Correct 3 ms 1664 KB Output is correct
33 Correct 5 ms 1664 KB Output is correct
34 Correct 4 ms 1664 KB Output is correct
35 Correct 10 ms 1664 KB Output is correct
36 Correct 6 ms 1664 KB Output is correct
37 Correct 9 ms 1664 KB Output is correct
38 Correct 15 ms 1664 KB Output is correct
39 Correct 16 ms 1664 KB Output is correct
40 Correct 12 ms 1664 KB Output is correct
41 Correct 12 ms 1664 KB Output is correct
42 Correct 10 ms 1664 KB Output is correct
43 Correct 10 ms 1664 KB Output is correct
44 Correct 25 ms 1664 KB Output is correct
45 Correct 17 ms 1788 KB Output is correct
46 Correct 20 ms 1788 KB Output is correct
47 Correct 21 ms 2300 KB Output is correct
48 Correct 11 ms 2300 KB Output is correct
49 Correct 15 ms 2300 KB Output is correct
50 Correct 10 ms 2300 KB Output is correct
51 Correct 27 ms 3192 KB Output is correct
52 Correct 26 ms 3192 KB Output is correct
53 Correct 15 ms 3192 KB Output is correct
54 Correct 5 ms 3192 KB Output is correct
55 Correct 5 ms 3192 KB Output is correct
56 Execution timed out 1065 ms 3192 KB Time limit exceeded
57 Halted 0 ms 0 KB -