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Submission #409495

# Submission time Handle Problem Language Result Execution time Memory
409495 2021-05-20T23:36:45 Z ScarletS Toll (BOI17_toll) C++17
100 / 100
 248 ms 160196 KB 
#include <bits/stdc++.h>
using namespace std;

const int INF = 1e9;
int dp[100001][5][16][5];

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int k,n,m,o,x,y,z,a,b;
    cin>>k>>n>>m>>o;
    for (int g=0;g<100001;++g)
        for (int h=0;h<5;++h)
            for (int i=0;i<16;++i)
                for (int j=0;j<5;++j)
                    dp[g][h][i][j]=INF;
    while (m--)
    {
        cin>>x>>y>>z;
        dp[x/k][x%k][0][y%k]=z;
    }
    for (int i=1;i<16;++i)
        for (int g=0;g<=n/k;++g)
            for (int h=0;h<k;++h)
                for (int j=0;j<k;++j)
                    for (int f=0;f<k;++f)
                        dp[g][h][i][j]=min(dp[g][h][i][j],dp[g][h][i-1][f]+dp[g+(1<<(i-1))][f][i-1][j]);
    while (o--)
    {
        cin>>x>>y;
        a=x/k;
        b=y/k;
        vector<int> v(k,INF);
        v[x%k]=0;
        for (int h=15;h>=0;--h)
            if (a+(1<<h)<=b)
            {
                vector<int> w(k,INF);
                for (int i=0;i<k;++i)
                    for (int j=0;j<k;++j)
                        w[j]=min(w[j],v[i]+dp[a][i][h][j]);
                swap(v,w);
                a+=(1<<h);
            }
        if (v[y%k]==INF)
            v[y%k]=-1;
        cout<<v[y%k]<<"\n";
    }
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 157860 KB Output is correct
2 Correct 88 ms 156760 KB Output is correct
3 Correct 106 ms 156844 KB Output is correct
4 Correct 88 ms 156740 KB Output is correct
5 Correct 90 ms 156788 KB Output is correct
6 Correct 90 ms 156868 KB Output is correct
7 Correct 90 ms 156864 KB Output is correct
8 Correct 164 ms 157788 KB Output is correct
9 Correct 132 ms 157676 KB Output is correct
10 Correct 112 ms 156904 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 158040 KB Output is correct
2 Correct 88 ms 156740 KB Output is correct
3 Correct 122 ms 156740 KB Output is correct
4 Correct 87 ms 156752 KB Output is correct
5 Correct 89 ms 156740 KB Output is correct
6 Correct 89 ms 156832 KB Output is correct
7 Correct 95 ms 156856 KB Output is correct
8 Correct 95 ms 156996 KB Output is correct
9 Correct 134 ms 157664 KB Output is correct
10 Correct 187 ms 159088 KB Output is correct
11 Correct 172 ms 158528 KB Output is correct
12 Correct 161 ms 158132 KB Output is correct
13 Correct 175 ms 159172 KB Output is correct
14 Correct 151 ms 158232 KB Output is correct
15 Correct 147 ms 158060 KB Output is correct
16 Correct 144 ms 158120 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 156752 KB Output is correct
2 Correct 88 ms 156776 KB Output is correct
3 Correct 107 ms 156828 KB Output is correct
4 Correct 88 ms 156776 KB Output is correct
5 Correct 87 ms 156848 KB Output is correct
6 Correct 95 ms 156864 KB Output is correct
7 Correct 90 ms 156848 KB Output is correct
8 Correct 104 ms 156808 KB Output is correct
9 Correct 90 ms 156884 KB Output is correct
10 Correct 137 ms 157636 KB Output is correct
11 Correct 155 ms 158344 KB Output is correct
12 Correct 183 ms 159024 KB Output is correct
13 Correct 188 ms 159272 KB Output is correct
14 Correct 168 ms 158592 KB Output is correct
15 Correct 138 ms 158024 KB Output is correct
16 Correct 153 ms 158048 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 156752 KB Output is correct
2 Correct 88 ms 156776 KB Output is correct
3 Correct 107 ms 156828 KB Output is correct
4 Correct 88 ms 156776 KB Output is correct
5 Correct 87 ms 156848 KB Output is correct
6 Correct 95 ms 156864 KB Output is correct
7 Correct 90 ms 156848 KB Output is correct
8 Correct 104 ms 156808 KB Output is correct
9 Correct 90 ms 156884 KB Output is correct
10 Correct 137 ms 157636 KB Output is correct
11 Correct 155 ms 158344 KB Output is correct
12 Correct 183 ms 159024 KB Output is correct
13 Correct 188 ms 159272 KB Output is correct
14 Correct 168 ms 158592 KB Output is correct
15 Correct 138 ms 158024 KB Output is correct
16 Correct 153 ms 158048 KB Output is correct
17 Correct 164 ms 158404 KB Output is correct
18 Correct 88 ms 156856 KB Output is correct
19 Correct 89 ms 156800 KB Output is correct
20 Correct 92 ms 156852 KB Output is correct
21 Correct 89 ms 156828 KB Output is correct
22 Correct 105 ms 156764 KB Output is correct
23 Correct 93 ms 156812 KB Output is correct
24 Correct 92 ms 156836 KB Output is correct
25 Correct 90 ms 156952 KB Output is correct
26 Correct 92 ms 156936 KB Output is correct
27 Correct 125 ms 157672 KB Output is correct
28 Correct 185 ms 159072 KB Output is correct
29 Correct 210 ms 159308 KB Output is correct
30 Correct 215 ms 158624 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 157860 KB Output is correct
2 Correct 88 ms 156760 KB Output is correct
3 Correct 106 ms 156844 KB Output is correct
4 Correct 88 ms 156740 KB Output is correct
5 Correct 90 ms 156788 KB Output is correct
6 Correct 90 ms 156868 KB Output is correct
7 Correct 90 ms 156864 KB Output is correct
8 Correct 164 ms 157788 KB Output is correct
9 Correct 132 ms 157676 KB Output is correct
10 Correct 112 ms 156904 KB Output is correct
11 Correct 168 ms 158040 KB Output is correct
12 Correct 88 ms 156740 KB Output is correct
13 Correct 122 ms 156740 KB Output is correct
14 Correct 87 ms 156752 KB Output is correct
15 Correct 89 ms 156740 KB Output is correct
16 Correct 89 ms 156832 KB Output is correct
17 Correct 95 ms 156856 KB Output is correct
18 Correct 95 ms 156996 KB Output is correct
19 Correct 134 ms 157664 KB Output is correct
20 Correct 187 ms 159088 KB Output is correct
21 Correct 172 ms 158528 KB Output is correct
22 Correct 161 ms 158132 KB Output is correct
23 Correct 175 ms 159172 KB Output is correct
24 Correct 151 ms 158232 KB Output is correct
25 Correct 147 ms 158060 KB Output is correct
26 Correct 144 ms 158120 KB Output is correct
27 Correct 89 ms 156752 KB Output is correct
28 Correct 88 ms 156776 KB Output is correct
29 Correct 107 ms 156828 KB Output is correct
30 Correct 88 ms 156776 KB Output is correct
31 Correct 87 ms 156848 KB Output is correct
32 Correct 95 ms 156864 KB Output is correct
33 Correct 90 ms 156848 KB Output is correct
34 Correct 104 ms 156808 KB Output is correct
35 Correct 90 ms 156884 KB Output is correct
36 Correct 137 ms 157636 KB Output is correct
37 Correct 155 ms 158344 KB Output is correct
38 Correct 183 ms 159024 KB Output is correct
39 Correct 188 ms 159272 KB Output is correct
40 Correct 168 ms 158592 KB Output is correct
41 Correct 138 ms 158024 KB Output is correct
42 Correct 153 ms 158048 KB Output is correct
43 Correct 164 ms 158404 KB Output is correct
44 Correct 88 ms 156856 KB Output is correct
45 Correct 89 ms 156800 KB Output is correct
46 Correct 92 ms 156852 KB Output is correct
47 Correct 89 ms 156828 KB Output is correct
48 Correct 105 ms 156764 KB Output is correct
49 Correct 93 ms 156812 KB Output is correct
50 Correct 92 ms 156836 KB Output is correct
51 Correct 90 ms 156952 KB Output is correct
52 Correct 92 ms 156936 KB Output is correct
53 Correct 125 ms 157672 KB Output is correct
54 Correct 185 ms 159072 KB Output is correct
55 Correct 210 ms 159308 KB Output is correct
56 Correct 215 ms 158624 KB Output is correct
57 Correct 219 ms 160196 KB Output is correct
58 Correct 140 ms 157876 KB Output is correct
59 Correct 248 ms 158608 KB Output is correct