#include <bits/stdc++.h>
#define int long long
using namespace std;
const int MAXN = 5e4;
const int MAXP = 16;
const int INF = 2e18;
int mod, nbSommets, nbAretes, nbRequetes;
int dis[MAXP][MAXN][5][5];
signed main(void)
{
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> mod >> nbSommets >> nbAretes >> nbRequetes;
for (int p(0); p < MAXP; ++p)
for (int iSommet(0); iSommet < MAXN; ++iSommet)
for (int iDep(0); iDep < mod; ++iDep)
for (int iFin(0); iFin < mod; ++iFin)
dis[p][iSommet][iDep][iFin] = INF;
while (nbAretes--)
{
int u, v, c;
cin >> u >> v >> c;
dis[0][u/mod][u%mod][v%mod] = c;
}
for (int p(1); p < MAXP; ++p)
for (int iSommet(0); iSommet + (1 << (p-1))< (nbSommets+mod-1)/mod; ++iSommet)
for (int iDep(0); iDep < mod; ++iDep)
for (int iFin(0); iFin < mod; ++iFin)
for (int iMilieu(0); iMilieu < mod; ++iMilieu)
dis[p][iSommet][iDep][iFin] = min(dis[p][iSommet][iDep][iFin],
dis[p-1][iSommet][iDep][iMilieu] + dis[p-1][iSommet + (1<<(p-1))][iMilieu][iFin]);
array<int, 5> cur, nxt;
for (int iRequete = 0; iRequete < nbRequetes; ++iRequete)
{
int from, to;
cin >> from >> to;
int diff = to/mod - from/mod;
fill(cur.begin(), cur.end(), INF);
fill(nxt.begin(), nxt.end(), INF);
cur[from%mod] = 0;
int curPos = from/mod;
for (int p(0); p < MAXP; ++p)
if ((1<<p) & diff)
{
for (int iDep(0); iDep < mod; ++iDep)
for (int iFin(0); iFin < mod; ++iFin)
nxt[iFin] = min(nxt[iFin],
cur[iDep] + dis[p][curPos][iDep][iFin]);
curPos += 1 << p;
cur = move(nxt);
fill(nxt.begin(), nxt.end(), INF);
}
int ret = cur[to%mod];
if (ret == INF) ret = -1;
cout << ret << '\n';
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
116 ms |
157036 KB |
Output is correct |
| 2 |
Correct |
68 ms |
156908 KB |
Output is correct |
| 3 |
Correct |
68 ms |
157036 KB |
Output is correct |
| 4 |
Correct |
68 ms |
156908 KB |
Output is correct |
| 5 |
Correct |
70 ms |
156908 KB |
Output is correct |
| 6 |
Correct |
69 ms |
156908 KB |
Output is correct |
| 7 |
Correct |
70 ms |
156928 KB |
Output is correct |
| 8 |
Correct |
123 ms |
156952 KB |
Output is correct |
| 9 |
Correct |
114 ms |
156908 KB |
Output is correct |
| 10 |
Correct |
99 ms |
157036 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
117 ms |
157008 KB |
Output is correct |
| 2 |
Correct |
73 ms |
156908 KB |
Output is correct |
| 3 |
Correct |
72 ms |
156908 KB |
Output is correct |
| 4 |
Correct |
74 ms |
156908 KB |
Output is correct |
| 5 |
Correct |
77 ms |
156924 KB |
Output is correct |
| 6 |
Correct |
81 ms |
156908 KB |
Output is correct |
| 7 |
Correct |
75 ms |
156908 KB |
Output is correct |
| 8 |
Correct |
76 ms |
156908 KB |
Output is correct |
| 9 |
Correct |
113 ms |
156908 KB |
Output is correct |
| 10 |
Correct |
135 ms |
157036 KB |
Output is correct |
| 11 |
Correct |
121 ms |
157164 KB |
Output is correct |
| 12 |
Correct |
112 ms |
156908 KB |
Output is correct |
| 13 |
Correct |
138 ms |
156908 KB |
Output is correct |
| 14 |
Correct |
109 ms |
156908 KB |
Output is correct |
| 15 |
Correct |
116 ms |
156908 KB |
Output is correct |
| 16 |
Correct |
116 ms |
157036 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
69 ms |
157036 KB |
Output is correct |
| 2 |
Correct |
71 ms |
157036 KB |
Output is correct |
| 3 |
Correct |
74 ms |
156908 KB |
Output is correct |
| 4 |
Correct |
77 ms |
156908 KB |
Output is correct |
| 5 |
Correct |
81 ms |
156908 KB |
Output is correct |
| 6 |
Correct |
72 ms |
156908 KB |
Output is correct |
| 7 |
Correct |
71 ms |
156908 KB |
Output is correct |
| 8 |
Correct |
85 ms |
156908 KB |
Output is correct |
| 9 |
Correct |
78 ms |
156908 KB |
Output is correct |
| 10 |
Correct |
110 ms |
157036 KB |
Output is correct |
| 11 |
Correct |
115 ms |
157036 KB |
Output is correct |
| 12 |
Correct |
126 ms |
156908 KB |
Output is correct |
| 13 |
Correct |
129 ms |
156908 KB |
Output is correct |
| 14 |
Correct |
119 ms |
156908 KB |
Output is correct |
| 15 |
Correct |
115 ms |
157036 KB |
Output is correct |
| 16 |
Correct |
114 ms |
156908 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
69 ms |
157036 KB |
Output is correct |
| 2 |
Correct |
71 ms |
157036 KB |
Output is correct |
| 3 |
Correct |
74 ms |
156908 KB |
Output is correct |
| 4 |
Correct |
77 ms |
156908 KB |
Output is correct |
| 5 |
Correct |
81 ms |
156908 KB |
Output is correct |
| 6 |
Correct |
72 ms |
156908 KB |
Output is correct |
| 7 |
Correct |
71 ms |
156908 KB |
Output is correct |
| 8 |
Correct |
85 ms |
156908 KB |
Output is correct |
| 9 |
Correct |
78 ms |
156908 KB |
Output is correct |
| 10 |
Correct |
110 ms |
157036 KB |
Output is correct |
| 11 |
Correct |
115 ms |
157036 KB |
Output is correct |
| 12 |
Correct |
126 ms |
156908 KB |
Output is correct |
| 13 |
Correct |
129 ms |
156908 KB |
Output is correct |
| 14 |
Correct |
119 ms |
156908 KB |
Output is correct |
| 15 |
Correct |
115 ms |
157036 KB |
Output is correct |
| 16 |
Correct |
114 ms |
156908 KB |
Output is correct |
| 17 |
Correct |
120 ms |
156908 KB |
Output is correct |
| 18 |
Correct |
70 ms |
156908 KB |
Output is correct |
| 19 |
Correct |
72 ms |
156908 KB |
Output is correct |
| 20 |
Correct |
74 ms |
156924 KB |
Output is correct |
| 21 |
Correct |
77 ms |
156908 KB |
Output is correct |
| 22 |
Correct |
91 ms |
156908 KB |
Output is correct |
| 23 |
Correct |
71 ms |
156908 KB |
Output is correct |
| 24 |
Correct |
74 ms |
157036 KB |
Output is correct |
| 25 |
Correct |
85 ms |
156908 KB |
Output is correct |
| 26 |
Correct |
79 ms |
156908 KB |
Output is correct |
| 27 |
Correct |
109 ms |
156908 KB |
Output is correct |
| 28 |
Correct |
132 ms |
156908 KB |
Output is correct |
| 29 |
Correct |
136 ms |
156952 KB |
Output is correct |
| 30 |
Correct |
124 ms |
156908 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
116 ms |
157036 KB |
Output is correct |
| 2 |
Correct |
68 ms |
156908 KB |
Output is correct |
| 3 |
Correct |
68 ms |
157036 KB |
Output is correct |
| 4 |
Correct |
68 ms |
156908 KB |
Output is correct |
| 5 |
Correct |
70 ms |
156908 KB |
Output is correct |
| 6 |
Correct |
69 ms |
156908 KB |
Output is correct |
| 7 |
Correct |
70 ms |
156928 KB |
Output is correct |
| 8 |
Correct |
123 ms |
156952 KB |
Output is correct |
| 9 |
Correct |
114 ms |
156908 KB |
Output is correct |
| 10 |
Correct |
99 ms |
157036 KB |
Output is correct |
| 11 |
Correct |
117 ms |
157008 KB |
Output is correct |
| 12 |
Correct |
73 ms |
156908 KB |
Output is correct |
| 13 |
Correct |
72 ms |
156908 KB |
Output is correct |
| 14 |
Correct |
74 ms |
156908 KB |
Output is correct |
| 15 |
Correct |
77 ms |
156924 KB |
Output is correct |
| 16 |
Correct |
81 ms |
156908 KB |
Output is correct |
| 17 |
Correct |
75 ms |
156908 KB |
Output is correct |
| 18 |
Correct |
76 ms |
156908 KB |
Output is correct |
| 19 |
Correct |
113 ms |
156908 KB |
Output is correct |
| 20 |
Correct |
135 ms |
157036 KB |
Output is correct |
| 21 |
Correct |
121 ms |
157164 KB |
Output is correct |
| 22 |
Correct |
112 ms |
156908 KB |
Output is correct |
| 23 |
Correct |
138 ms |
156908 KB |
Output is correct |
| 24 |
Correct |
109 ms |
156908 KB |
Output is correct |
| 25 |
Correct |
116 ms |
156908 KB |
Output is correct |
| 26 |
Correct |
116 ms |
157036 KB |
Output is correct |
| 27 |
Correct |
69 ms |
157036 KB |
Output is correct |
| 28 |
Correct |
71 ms |
157036 KB |
Output is correct |
| 29 |
Correct |
74 ms |
156908 KB |
Output is correct |
| 30 |
Correct |
77 ms |
156908 KB |
Output is correct |
| 31 |
Correct |
81 ms |
156908 KB |
Output is correct |
| 32 |
Correct |
72 ms |
156908 KB |
Output is correct |
| 33 |
Correct |
71 ms |
156908 KB |
Output is correct |
| 34 |
Correct |
85 ms |
156908 KB |
Output is correct |
| 35 |
Correct |
78 ms |
156908 KB |
Output is correct |
| 36 |
Correct |
110 ms |
157036 KB |
Output is correct |
| 37 |
Correct |
115 ms |
157036 KB |
Output is correct |
| 38 |
Correct |
126 ms |
156908 KB |
Output is correct |
| 39 |
Correct |
129 ms |
156908 KB |
Output is correct |
| 40 |
Correct |
119 ms |
156908 KB |
Output is correct |
| 41 |
Correct |
115 ms |
157036 KB |
Output is correct |
| 42 |
Correct |
114 ms |
156908 KB |
Output is correct |
| 43 |
Correct |
120 ms |
156908 KB |
Output is correct |
| 44 |
Correct |
70 ms |
156908 KB |
Output is correct |
| 45 |
Correct |
72 ms |
156908 KB |
Output is correct |
| 46 |
Correct |
74 ms |
156924 KB |
Output is correct |
| 47 |
Correct |
77 ms |
156908 KB |
Output is correct |
| 48 |
Correct |
91 ms |
156908 KB |
Output is correct |
| 49 |
Correct |
71 ms |
156908 KB |
Output is correct |
| 50 |
Correct |
74 ms |
157036 KB |
Output is correct |
| 51 |
Correct |
85 ms |
156908 KB |
Output is correct |
| 52 |
Correct |
79 ms |
156908 KB |
Output is correct |
| 53 |
Correct |
109 ms |
156908 KB |
Output is correct |
| 54 |
Correct |
132 ms |
156908 KB |
Output is correct |
| 55 |
Correct |
136 ms |
156952 KB |
Output is correct |
| 56 |
Correct |
124 ms |
156908 KB |
Output is correct |
| 57 |
Correct |
168 ms |
157036 KB |
Output is correct |
| 58 |
Correct |
117 ms |
157036 KB |
Output is correct |
| 59 |
Correct |
126 ms |
157036 KB |
Output is correct |
