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답안 #562377

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
562377 2022-05-14T09:52:50 Z gyegongy1 물통 (KOI17_bucket) C++17
100 / 100
 556 ms 24184 KB 
#include <cstdio>
#include <queue>
#include <map>
using namespace std;

int a, b, c, d;
struct point { int x, y, c; };

queue<point> Q;
map<pair<int, int>, int> M;

int main()
{
  //scan
  scanf("%d%d%d%d", &a, &b, &c, &d);

  //process
  Q.push({0, 0, 0});
  while(!Q.empty())
  {
    point t = Q.front(); Q.pop();
    if(t.x==c && t.y==d)
    {
      //print
      printf("%d\n", t.c);
      return 0;
    }

    if(M[{t.x, t.y}]) continue;
    M[{t.x, t.y}] = 1;

    Q.push({a, t.y, t.c+1});
    Q.push({t.x, b, t.c+1});
    Q.push({0, t.y, t.c+1});
    Q.push({t.x, 0, t.c+1});

    if(t.x<=b-t.y) Q.push({0, t.x+t.y, t.c+1});
    else Q.push({t.x-(b-t.y), b, t.c+1});

    if(t.y<=a-t.x) Q.push({t.x+t.y, 0, t.c+1});
    else Q.push({a, t.y-(a-t.x), t.c+1});
  }

  printf("-1\n");

  return 0;
}

Compilation message

bucket.cpp: In function 'int main()':
bucket.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |   scanf("%d%d%d%d", &a, &b, &c, &d);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 0 ms 288 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 34 ms 2744 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 296 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 0 ms 288 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 34 ms 2744 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 296 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 288 KB Output is correct
15 Correct 1 ms 292 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 296 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 292 KB Output is correct
21 Correct 0 ms 212 KB Output is correct

Subtask #3
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 4 ms 468 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 288 KB Output is correct

Subtask #4
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 0 ms 288 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 34 ms 2744 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 288 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 296 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 292 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 288 KB Output is correct
31 Correct 0 ms 296 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 5 ms 724 KB Output is correct
34 Correct 183 ms 12800 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 5 ms 548 KB Output is correct
37 Correct 2 ms 416 KB Output is correct
38 Correct 5 ms 800 KB Output is correct
39 Correct 20 ms 1640 KB Output is correct
40 Correct 8 ms 804 KB Output is correct
41 Correct 7 ms 852 KB Output is correct
42 Correct 21 ms 2080 KB Output is correct
43 Correct 44 ms 4444 KB Output is correct
44 Correct 24 ms 2516 KB Output is correct
45 Correct 15 ms 1748 KB Output is correct
46 Correct 556 ms 24184 KB Output is correct