oj.uz

Submission #155780

# Submission time Handle Problem Language Result Execution time Memory
155780 2019-09-30T14:08:29 Z karma Brunhilda’s Birthday (BOI13_brunhilda) C++14
77.4603 / 100
 429 ms 79208 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);
    }
    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 134 ms 78584 KB Output is correct
2 Correct 154 ms 78560 KB Output is correct
3 Correct 164 ms 78560 KB Output is correct
4 Correct 137 ms 78564 KB Output is correct
5 Correct 145 ms 78560 KB Output is correct
6 Correct 134 ms 78580 KB Output is correct
7 Correct 144 ms 78584 KB Output is correct
8 Correct 149 ms 78536 KB Output is correct
9 Correct 171 ms 78684 KB Output is correct
10 Correct 202 ms 78564 KB Output is correct
11 Correct 177 ms 78580 KB Output is correct
12 Correct 132 ms 78584 KB Output is correct
13 Correct 292 ms 78584 KB Output is correct
14 Correct 283 ms 78712 KB Output is correct
15 Correct 193 ms 78584 KB Output is correct
16 Correct 154 ms 78584 KB Output is correct
17 Correct 164 ms 78564 KB Output is correct
18 Correct 133 ms 78584 KB Output is correct

Subtask #2
18.8888888889 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 78576 KB Output is correct
2 Correct 170 ms 78532 KB Output is correct
3 Correct 340 ms 78668 KB Output is correct
4 Correct 169 ms 78580 KB Output is correct
5 Correct 252 ms 78584 KB Output is correct
6 Correct 155 ms 78580 KB Output is correct
7 Correct 150 ms 78584 KB Output is correct
8 Correct 169 ms 78560 KB Output is correct
9 Correct 288 ms 78584 KB Output is correct
10 Correct 408 ms 78584 KB Output is correct
11 Incorrect 328 ms 78640 KB Output isn't correct
12 Correct 216 ms 78584 KB Output is correct
13 Correct 141 ms 78616 KB Output is correct
14 Correct 172 ms 78584 KB Output is correct
15 Correct 288 ms 78536 KB Output is correct
16 Correct 171 ms 78696 KB Output is correct
17 Correct 291 ms 78568 KB Output is correct
18 Correct 294 ms 78692 KB Output is correct

Subtask #3
38.5714285714 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 294 ms 78796 KB Output is correct
2 Correct 346 ms 78712 KB Output is correct
3 Correct 354 ms 78824 KB Output is correct
4 Incorrect 240 ms 78840 KB Output isn't correct
5 Incorrect 203 ms 78840 KB Output isn't correct
6 Correct 324 ms 78816 KB Output is correct
7 Correct 281 ms 78844 KB Output is correct
8 Correct 315 ms 78712 KB Output is correct
9 Correct 298 ms 78728 KB Output is correct
10 Correct 245 ms 78584 KB Output is correct
11 Incorrect 237 ms 78708 KB Output isn't correct
12 Correct 279 ms 78712 KB Output is correct
13 Correct 345 ms 78968 KB Output is correct
14 Correct 221 ms 79204 KB Output is correct
15 Incorrect 287 ms 78716 KB Output isn't correct
16 Correct 320 ms 78712 KB Output is correct
17 Correct 273 ms 78712 KB Output is correct
18 Correct 367 ms 78712 KB Output is correct
19 Incorrect 182 ms 78712 KB Output isn't correct
20 Correct 356 ms 78832 KB Output is correct
21 Incorrect 245 ms 79208 KB Output isn't correct
22 Correct 429 ms 78820 KB Output is correct
23 Correct 205 ms 78988 KB Output is correct
24 Correct 180 ms 78848 KB Output is correct
25 Incorrect 262 ms 79096 KB Output isn't correct
26 Incorrect 247 ms 78916 KB Output isn't correct
27 Correct 427 ms 78692 KB Output is correct
28 Incorrect 205 ms 78920 KB Output isn't correct
29 Correct 353 ms 78864 KB Output is correct
30 Correct 383 ms 78840 KB Output is correct
31 Correct 196 ms 78940 KB Output is correct
32 Incorrect 209 ms 78896 KB Output isn't correct
33 Incorrect 160 ms 78840 KB Output isn't correct
34 Correct 281 ms 78804 KB Output is correct
35 Incorrect 177 ms 78968 KB Output isn't correct
36 Correct 362 ms 78872 KB Output is correct
37 Incorrect 205 ms 78840 KB Output isn't correct
38 Correct 304 ms 78840 KB Output is correct
39 Incorrect 185 ms 78840 KB Output isn't correct
40 Correct 279 ms 79096 KB Output is correct
41 Correct 291 ms 78716 KB Output is correct
42 Incorrect 390 ms 79068 KB Output isn't correct