Submission #147887

# Submission time Handle Problem Language Result Execution time Memory
147887 2019-08-31T04:43:55 Z arnold518 None (KOI17_bucket) C++14
100 / 100
692 ms 25344 KB
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;

int A, B, C, D;

struct Queue { int x, y, val; };

queue<Queue> Q;
map<pii, int> vis;

void enque(int x, int y, int val)
{
    if(vis.count({x, y})) return;
    vis[{x, y}]=val;
    Q.push({x, y, val});
}

int main()
{
    int i, j;

    scanf("%d%d%d%d", &A, &B, &C, &D);

    enque(0, 0, 0);
    while(!Q.empty())
    {
        Queue now=Q.front(); Q.pop();

        enque(A, now.y, now.val+1);
        enque(now.x, B, now.val+1);
        enque(0, now.y, now.val+1);
        enque(now.x, 0, now.val+1);
        enque(now.x+now.y-min(now.y+now.x, B), min(now.y+now.x, B), now.val+1);
        enque(min(now.x+now.y, A), now.x+now.y-min(now.x+now.y, A), now.val+1);
    }

    if(vis.count({C, D})) printf("%d", vis[{C, D}]);
    else printf("-1");
}

Compilation message

bucket.cpp: In function 'int main()':
bucket.cpp:26:9: warning: unused variable 'i' [-Wunused-variable]
     int i, j;
         ^
bucket.cpp:26:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
bucket.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d", &A, &B, &C, &D);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 66 ms 3924 KB Output is correct
8 Correct 280 ms 12956 KB Output is correct
9 Correct 285 ms 12776 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 66 ms 3924 KB Output is correct
8 Correct 280 ms 12956 KB Output is correct
9 Correct 285 ms 12776 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 424 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 66 ms 3924 KB Output is correct
8 Correct 280 ms 12956 KB Output is correct
9 Correct 285 ms 12776 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 2 ms 424 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 3 ms 504 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 14 ms 1400 KB Output is correct
32 Correct 21 ms 2040 KB Output is correct
33 Correct 205 ms 12896 KB Output is correct
34 Correct 16 ms 1528 KB Output is correct
35 Correct 8 ms 888 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 15 ms 1412 KB Output is correct
38 Correct 23 ms 1748 KB Output is correct
39 Correct 17 ms 1656 KB Output is correct
40 Correct 8 ms 1016 KB Output is correct
41 Correct 50 ms 4088 KB Output is correct
42 Correct 60 ms 5112 KB Output is correct
43 Correct 29 ms 2680 KB Output is correct
44 Correct 20 ms 1836 KB Output is correct
45 Correct 692 ms 25344 KB Output is correct
46 Correct 2 ms 256 KB Output is correct