oj.uz

답안 #444550

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
444550 2021-07-14T08:37:34 Z BeanZ Toll (BOI17_toll) C++14
100 / 100
 317 ms 189508 KB 
// I_Love_LPL 1y0m6d
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
const int N = 5e4 + 5;
long long mod = 1e9 + 7;
const int lim = 4e5 + 5;
const int lg = 18;
const int base = 37;
const long double eps = 1e-6;
ll dp[N][lg + 1][5][5], temp[5], res[5];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    if (fopen("tests.inp", "r")){
        freopen("test.inp", "r", stdin);
        freopen("test.out", "w", stdout);
    }
    ll k, n, m, q;
    cin >> k >> n >> m >> q;
    for (int i = 0; i < n; i++){
        for (int j = 0; j <= lg; j++){
            for (int g = 0; g < k; g++){
                for (int t = 0; t < k; t++){
                    dp[i][j][g][t] = 1e9;
                }
            }
        }
    }
    for (int i = 1; i <= m; i++){
        ll u, v, c;
        cin >> u >> v >> c;
        dp[u][0][u % k][v % k] = c;
    }
    for (int lo = 1; lo <= lg; lo++){
        for (int i = 0; i < n; i++){
            for (int j = 0; j < k; j++){ // des
                for (int g = 0; g < k; g++){ // trans
                    ll id = i + k * (1 << (lo - 1)) - (i % k) + (g % k);
                    if (id >= N) continue;
                    dp[i][lo][i % k][j] = min(dp[i][lo][i % k][j], dp[i][lo - 1][i % k][g] + dp[i + k * (1 << (lo - 1)) - (i % k) + (g % k)][lo - 1][g % k][j]);
                }
            }
        }
    }
    while (q--){
        ll u, v;
        cin >> u >> v;
        ll dep = (v / k) - (u / k);
        for (int i = 0; i < k; i++) res[i] = 1e9;
        res[u % k] = 0;
        ll cur = u / k;
        for (int i = 0; i <= lg; i++){
            for (int g = 0; g < k; g++) temp[g] = 1e9;
            if (dep & (1 << i)){
                for (int g = 0; g < k; g++){ // des
                    for (int j = 0; j < k; j++){ // trans
                        temp[g] = min(temp[g], res[j] + dp[cur * k + j][i][j][g]);
                    }
                }
                cur = cur + (1 << i);
                for (int g = 0; g < k; g++) res[g] = temp[g];
            }
        }
        if (res[v % k] < 1e9) cout << res[v % k] << endl;
        else cout << -1 << endl;
    }
}
/*
Ans:

Out:
*/

Compilation message

toll.cpp: In function 'int main()':
toll.cpp:17:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
toll.cpp:18:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 135 ms 186308 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 6 ms 4044 KB Output is correct
6 Correct 6 ms 4044 KB Output is correct
7 Correct 6 ms 4044 KB Output is correct
8 Correct 138 ms 186180 KB Output is correct
9 Correct 136 ms 186336 KB Output is correct
10 Correct 114 ms 186180 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 219 ms 186272 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 15 ms 4044 KB Output is correct
8 Correct 11 ms 4148 KB Output is correct
9 Correct 132 ms 186180 KB Output is correct
10 Correct 259 ms 186212 KB Output is correct
11 Correct 223 ms 187916 KB Output is correct
12 Correct 237 ms 187460 KB Output is correct
13 Correct 265 ms 114384 KB Output is correct
14 Correct 175 ms 113424 KB Output is correct
15 Correct 210 ms 113196 KB Output is correct
16 Correct 206 ms 113144 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 6 ms 4084 KB Output is correct
7 Correct 6 ms 4044 KB Output is correct
8 Correct 11 ms 4100 KB Output is correct
9 Correct 13 ms 4044 KB Output is correct
10 Correct 143 ms 186220 KB Output is correct
11 Correct 208 ms 186292 KB Output is correct
12 Correct 254 ms 186168 KB Output is correct
13 Correct 271 ms 188624 KB Output is correct
14 Correct 246 ms 188020 KB Output is correct
15 Correct 201 ms 113284 KB Output is correct
16 Correct 207 ms 113092 KB Output is correct

Subtask #4
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 6 ms 4084 KB Output is correct
7 Correct 6 ms 4044 KB Output is correct
8 Correct 11 ms 4100 KB Output is correct
9 Correct 13 ms 4044 KB Output is correct
10 Correct 143 ms 186220 KB Output is correct
11 Correct 208 ms 186292 KB Output is correct
12 Correct 254 ms 186168 KB Output is correct
13 Correct 271 ms 188624 KB Output is correct
14 Correct 246 ms 188020 KB Output is correct
15 Correct 201 ms 113284 KB Output is correct
16 Correct 207 ms 113092 KB Output is correct
17 Correct 229 ms 187776 KB Output is correct
18 Correct 1 ms 324 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 8 ms 4052 KB Output is correct
24 Correct 8 ms 4172 KB Output is correct
25 Correct 11 ms 4176 KB Output is correct
26 Correct 10 ms 4188 KB Output is correct
27 Correct 133 ms 187076 KB Output is correct
28 Correct 257 ms 188360 KB Output is correct
29 Correct 273 ms 188696 KB Output is correct
30 Correct 254 ms 188060 KB Output is correct

Subtask #5
44.0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Correct 135 ms 186308 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 6 ms 4044 KB Output is correct
6 Correct 6 ms 4044 KB Output is correct
7 Correct 6 ms 4044 KB Output is correct
8 Correct 138 ms 186180 KB Output is correct
9 Correct 136 ms 186336 KB Output is correct
10 Correct 114 ms 186180 KB Output is correct
11 Correct 219 ms 186272 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 15 ms 4044 KB Output is correct
18 Correct 11 ms 4148 KB Output is correct
19 Correct 132 ms 186180 KB Output is correct
20 Correct 259 ms 186212 KB Output is correct
21 Correct 223 ms 187916 KB Output is correct
22 Correct 237 ms 187460 KB Output is correct
23 Correct 265 ms 114384 KB Output is correct
24 Correct 175 ms 113424 KB Output is correct
25 Correct 210 ms 113196 KB Output is correct
26 Correct 206 ms 113144 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 6 ms 4084 KB Output is correct
33 Correct 6 ms 4044 KB Output is correct
34 Correct 11 ms 4100 KB Output is correct
35 Correct 13 ms 4044 KB Output is correct
36 Correct 143 ms 186220 KB Output is correct
37 Correct 208 ms 186292 KB Output is correct
38 Correct 254 ms 186168 KB Output is correct
39 Correct 271 ms 188624 KB Output is correct
40 Correct 246 ms 188020 KB Output is correct
41 Correct 201 ms 113284 KB Output is correct
42 Correct 207 ms 113092 KB Output is correct
43 Correct 229 ms 187776 KB Output is correct
44 Correct 1 ms 324 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 8 ms 4052 KB Output is correct
50 Correct 8 ms 4172 KB Output is correct
51 Correct 11 ms 4176 KB Output is correct
52 Correct 10 ms 4188 KB Output is correct
53 Correct 133 ms 187076 KB Output is correct
54 Correct 257 ms 188360 KB Output is correct
55 Correct 273 ms 188696 KB Output is correct
56 Correct 254 ms 188060 KB Output is correct
57 Correct 317 ms 189508 KB Output is correct
58 Correct 141 ms 187076 KB Output is correct
59 Correct 230 ms 187944 KB Output is correct