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Submission #155781

# Submission time Handle Problem Language Result Execution time Memory
155781 2019-09-30T14:13:23 Z karma Brunhilda’s Birthday (BOI13_brunhilda) C++14
100 / 100
 413 ms 79352 KB 
#include<bits/stdc++.h>
#define Task     "test"
#define pb       emplace_back

using namespace std;

const int N = int(1e7) + 1;
const int inf = int(1e9);

int nxt[N], f[N], m, Q, n, x;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    if(fopen(Task".inp", "r")) {
        freopen(Task".inp", "r", stdin);
        freopen(Task".out", "w", stdout);
    }
    cin >> m >> Q;
    while(m --) {
       cin >> x;
       for(int i = x; i <= N; i += x) nxt[i - 1] = max(nxt[i - 1], x - 1);
       nxt[N - 1] = max(nxt[N - 1], (N - 1) % x);
    }
    for(int i = N - 1; i >= 1; --i) nxt[i] = max(nxt[i], nxt[i + 1] - 1);
    for(int i = 1; i < N; ++i) {
       if(nxt[i]) f[i] = f[i - nxt[i]] + 1;
       else f[i] = inf;
    }
    while(Q --) {
        cin >> x;
        if(f[x] >= inf) cout << "oo\n";
        else cout << f[x] << '\n';
    }
}

Compilation message

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

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 78584 KB Output is correct
2 Correct 176 ms 78660 KB Output is correct
3 Correct 162 ms 78616 KB Output is correct
4 Correct 141 ms 78684 KB Output is correct
5 Correct 152 ms 78564 KB Output is correct
6 Correct 134 ms 78584 KB Output is correct
7 Correct 144 ms 78632 KB Output is correct
8 Correct 147 ms 78676 KB Output is correct
9 Correct 166 ms 78588 KB Output is correct
10 Correct 186 ms 78584 KB Output is correct
11 Correct 180 ms 78692 KB Output is correct
12 Correct 134 ms 78608 KB Output is correct
13 Correct 294 ms 78588 KB Output is correct
14 Correct 333 ms 78616 KB Output is correct
15 Correct 163 ms 78584 KB Output is correct
16 Correct 180 ms 78556 KB Output is correct
17 Correct 176 ms 78596 KB Output is correct
18 Correct 135 ms 78712 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 162 ms 78584 KB Output is correct
2 Correct 177 ms 78584 KB Output is correct
3 Correct 353 ms 78716 KB Output is correct
4 Correct 169 ms 78644 KB Output is correct
5 Correct 259 ms 78584 KB Output is correct
6 Correct 155 ms 78580 KB Output is correct
7 Correct 149 ms 78584 KB Output is correct
8 Correct 177 ms 78564 KB Output is correct
9 Correct 287 ms 78584 KB Output is correct
10 Correct 399 ms 78584 KB Output is correct
11 Correct 375 ms 78584 KB Output is correct
12 Correct 213 ms 78600 KB Output is correct
13 Correct 147 ms 78584 KB Output is correct
14 Correct 169 ms 78556 KB Output is correct
15 Correct 286 ms 78568 KB Output is correct
16 Correct 171 ms 78588 KB Output is correct
17 Correct 296 ms 78564 KB Output is correct
18 Correct 287 ms 78584 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 295 ms 78668 KB Output is correct
2 Correct 338 ms 78692 KB Output is correct
3 Correct 345 ms 78816 KB Output is correct
4 Correct 240 ms 78968 KB Output is correct
5 Correct 203 ms 78840 KB Output is correct
6 Correct 349 ms 78988 KB Output is correct
7 Correct 271 ms 78712 KB Output is correct
8 Correct 347 ms 78700 KB Output is correct
9 Correct 303 ms 78732 KB Output is correct
10 Correct 238 ms 78720 KB Output is correct
11 Correct 211 ms 78824 KB Output is correct
12 Correct 272 ms 78712 KB Output is correct
13 Correct 340 ms 78968 KB Output is correct
14 Correct 214 ms 79352 KB Output is correct
15 Correct 278 ms 78712 KB Output is correct
16 Correct 303 ms 78712 KB Output is correct
17 Correct 274 ms 78584 KB Output is correct
18 Correct 338 ms 78692 KB Output is correct
19 Correct 152 ms 78712 KB Output is correct
20 Correct 357 ms 78820 KB Output is correct
21 Correct 244 ms 79228 KB Output is correct
22 Correct 388 ms 78840 KB Output is correct
23 Correct 223 ms 78968 KB Output is correct
24 Correct 179 ms 78944 KB Output is correct
25 Correct 293 ms 78932 KB Output is correct
26 Correct 233 ms 78840 KB Output is correct
27 Correct 367 ms 78712 KB Output is correct
28 Correct 170 ms 78860 KB Output is correct
29 Correct 341 ms 78840 KB Output is correct
30 Correct 391 ms 78944 KB Output is correct
31 Correct 207 ms 78840 KB Output is correct
32 Correct 203 ms 78840 KB Output is correct
33 Correct 157 ms 78964 KB Output is correct
34 Correct 268 ms 78692 KB Output is correct
35 Correct 172 ms 78840 KB Output is correct
36 Correct 359 ms 78968 KB Output is correct
37 Correct 204 ms 78776 KB Output is correct
38 Correct 303 ms 78820 KB Output is correct
39 Correct 188 ms 78972 KB Output is correct
40 Correct 259 ms 78840 KB Output is correct
41 Correct 296 ms 78684 KB Output is correct
42 Correct 413 ms 78980 KB Output is correct