oj.uz

Submission #389772

# Submission time Handle Problem Language Result Execution time Memory
389772 2021-04-14T14:01:33 Z BartolM Nice sequence (IZhO18_sequence) C++17
76 / 100
 2000 ms 39200 KB 
#define DEBUG 1
#include <bits/stdc++.h>

using namespace std;

#define X first
#define Y second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <int, pii> pip;
typedef pair <pii, int> ppi;
typedef pair <ll, ll> pll;

const int INF=0x3f3f3f3f;
const int N=4e5+5;

int n, m;
vector <int> ls[N]; //(i->j) i veci od j
int in[N], bio[N], sol[N];
queue <int> Q;

void reset(int x) {
    for (int i=0; i<=x; ++i) ls[i].clear(), in[i]=0, bio[i]=0;
}

void build(int x) {
    for (int i=1; i<=x; ++i) {
        if (i-n>=0) ls[i-n].pb(i), in[i]++;
        if (i-m>=0) ls[i].pb(i-m), in[i-m]++;
    }
}

int dfs(int node) {
    if (bio[node]==2) return 0;
    if (bio[node]==1) return 1;
    bio[node]=1;
    int ret=0;
    for (int sus:ls[node]) ret|=dfs(sus);
    bio[node]=2;
    return ret;
}

void topo_sort(int gr) {
    for (int i=0; i<=gr; ++i) if (!in[i]) Q.push(i);
    int curr=gr+1;
    while (!Q.empty()) {
        int node=Q.front();
        Q.pop();
        sol[node]=curr--;
        for (int sus:ls[node]) {
            in[sus]--;
            if (!in[sus]) Q.push(sus);
        }
    }
}

void solve() {
    int lo=0, hi=2*max(n, m), mid;
    while (lo<hi) {
        mid=(lo+hi+1)/2;
        build(mid);
        int fl=0;
        for (int i=0; i<=mid; ++i) fl+=dfs(i);
        if (fl) hi=mid-1;
        else lo=mid;
        reset(mid);
    }
    build(lo);
    topo_sort(lo);
    printf("%d\n", lo);
    for (int i=1; i<=lo; ++i) printf("%d ", sol[i]-sol[i-1]);
    printf("\n");
    reset(lo);
}

void load() {
    scanf("%d %d", &n, &m);
}

int main() {
    int t;
    scanf("%d", &t);
    while (t--) {
        load();
        solve();
    }
    return 0;
}

Compilation message

sequence.cpp: In function 'void load()':
sequence.cpp:79:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   79 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.cpp:84:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   84 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 6 ms 9676 KB Ok
4 Correct 6 ms 9676 KB Ok
5 Correct 6 ms 9676 KB Ok
6 Correct 6 ms 9676 KB Ok
7 Correct 6 ms 9676 KB Ok
8 Correct 6 ms 9676 KB Ok
9 Correct 6 ms 9676 KB Ok
10 Correct 6 ms 9676 KB Ok
11 Correct 6 ms 9696 KB Ok
12 Correct 6 ms 9676 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 6 ms 9696 KB Ok
4 Correct 6 ms 9676 KB Ok
5 Correct 7 ms 9716 KB Ok
6 Correct 12 ms 9932 KB Ok
7 Correct 41 ms 11064 KB Ok
8 Correct 21 ms 10316 KB Ok
9 Correct 47 ms 11256 KB Ok
10 Correct 29 ms 10564 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9696 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 6 ms 9676 KB Ok
4 Correct 8 ms 9676 KB Ok
5 Correct 6 ms 9692 KB Ok
6 Correct 6 ms 9676 KB Ok
7 Correct 6 ms 9676 KB Ok
8 Correct 6 ms 9676 KB Ok
9 Correct 6 ms 9676 KB Ok
10 Correct 6 ms 9696 KB Ok
11 Correct 6 ms 9676 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Ok
2 Correct 6 ms 9696 KB Ok
3 Correct 6 ms 9676 KB Ok
4 Correct 6 ms 9676 KB Ok
5 Correct 6 ms 9676 KB Ok
6 Correct 414 ms 26700 KB Ok
7 Correct 366 ms 29564 KB Ok
8 Correct 819 ms 31144 KB Ok
9 Correct 493 ms 29640 KB Ok
10 Correct 263 ms 20804 KB Ok
11 Correct 429 ms 31020 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 6 ms 9676 KB Ok
4 Correct 6 ms 9676 KB Ok
5 Correct 6 ms 9676 KB Ok
6 Correct 6 ms 9676 KB Ok
7 Correct 6 ms 9676 KB Ok
8 Correct 6 ms 9676 KB Ok
9 Correct 6 ms 9676 KB Ok
10 Correct 6 ms 9676 KB Ok
11 Correct 6 ms 9696 KB Ok
12 Correct 6 ms 9676 KB Ok
13 Correct 7 ms 9696 KB Ok
14 Correct 6 ms 9676 KB Ok
15 Correct 6 ms 9676 KB Ok
16 Correct 8 ms 9676 KB Ok
17 Correct 6 ms 9692 KB Ok
18 Correct 6 ms 9676 KB Ok
19 Correct 6 ms 9676 KB Ok
20 Correct 6 ms 9676 KB Ok
21 Correct 6 ms 9676 KB Ok
22 Correct 6 ms 9696 KB Ok
23 Correct 6 ms 9676 KB Ok
24 Correct 11 ms 9888 KB Ok
25 Correct 11 ms 9804 KB Ok
26 Correct 11 ms 9900 KB Ok
27 Correct 11 ms 9820 KB Ok
28 Correct 10 ms 9804 KB Ok
29 Correct 10 ms 9872 KB Ok
30 Correct 10 ms 9804 KB Ok
31 Correct 11 ms 9804 KB Ok
32 Correct 11 ms 9804 KB Ok
33 Correct 11 ms 9824 KB Ok
34 Correct 20 ms 10160 KB Ok
35 Correct 19 ms 10188 KB Ok
36 Correct 19 ms 10188 KB Ok
37 Correct 20 ms 10188 KB Ok
38 Correct 19 ms 10188 KB Ok
39 Correct 19 ms 10060 KB Ok
40 Correct 24 ms 10136 KB Ok
41 Correct 20 ms 10136 KB Ok
42 Correct 20 ms 10140 KB Ok
43 Correct 20 ms 10188 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 6 ms 9676 KB Ok
4 Correct 6 ms 9676 KB Ok
5 Correct 6 ms 9676 KB Ok
6 Correct 6 ms 9676 KB Ok
7 Correct 6 ms 9676 KB Ok
8 Correct 6 ms 9676 KB Ok
9 Correct 6 ms 9676 KB Ok
10 Correct 6 ms 9676 KB Ok
11 Correct 6 ms 9696 KB Ok
12 Correct 6 ms 9676 KB Ok
13 Correct 6 ms 9676 KB Ok
14 Correct 6 ms 9676 KB Ok
15 Correct 6 ms 9696 KB Ok
16 Correct 6 ms 9676 KB Ok
17 Correct 7 ms 9716 KB Ok
18 Correct 12 ms 9932 KB Ok
19 Correct 41 ms 11064 KB Ok
20 Correct 21 ms 10316 KB Ok
21 Correct 47 ms 11256 KB Ok
22 Correct 29 ms 10564 KB Ok
23 Correct 7 ms 9696 KB Ok
24 Correct 6 ms 9676 KB Ok
25 Correct 6 ms 9676 KB Ok
26 Correct 8 ms 9676 KB Ok
27 Correct 6 ms 9692 KB Ok
28 Correct 6 ms 9676 KB Ok
29 Correct 6 ms 9676 KB Ok
30 Correct 6 ms 9676 KB Ok
31 Correct 6 ms 9676 KB Ok
32 Correct 6 ms 9696 KB Ok
33 Correct 6 ms 9676 KB Ok
34 Correct 11 ms 9888 KB Ok
35 Correct 11 ms 9804 KB Ok
36 Correct 11 ms 9900 KB Ok
37 Correct 11 ms 9820 KB Ok
38 Correct 10 ms 9804 KB Ok
39 Correct 10 ms 9872 KB Ok
40 Correct 10 ms 9804 KB Ok
41 Correct 11 ms 9804 KB Ok
42 Correct 11 ms 9804 KB Ok
43 Correct 11 ms 9824 KB Ok
44 Correct 20 ms 10160 KB Ok
45 Correct 19 ms 10188 KB Ok
46 Correct 19 ms 10188 KB Ok
47 Correct 20 ms 10188 KB Ok
48 Correct 19 ms 10188 KB Ok
49 Correct 19 ms 10060 KB Ok
50 Correct 24 ms 10136 KB Ok
51 Correct 20 ms 10136 KB Ok
52 Correct 20 ms 10140 KB Ok
53 Correct 20 ms 10188 KB Ok
54 Correct 302 ms 15800 KB Ok
55 Correct 381 ms 15968 KB Ok
56 Correct 360 ms 16216 KB Ok
57 Correct 221 ms 15292 KB Ok
58 Correct 285 ms 15904 KB Ok
59 Correct 255 ms 15844 KB Ok
60 Correct 214 ms 15300 KB Ok
61 Correct 241 ms 15592 KB Ok
62 Correct 326 ms 16068 KB Ok
63 Correct 252 ms 15428 KB Ok
64 Correct 340 ms 15920 KB Ok
65 Correct 290 ms 15876 KB Ok
66 Correct 264 ms 15556 KB Ok
67 Correct 230 ms 15300 KB Ok
68 Correct 269 ms 15940 KB Ok
69 Correct 1014 ms 24128 KB Ok
70 Correct 1049 ms 25256 KB Ok
71 Correct 1122 ms 23576 KB Ok
72 Correct 1080 ms 24452 KB Ok
73 Correct 899 ms 24124 KB Ok
74 Correct 1061 ms 23400 KB Ok
75 Correct 1061 ms 23244 KB Ok
76 Correct 968 ms 24952 KB Ok
77 Correct 957 ms 23008 KB Ok
78 Correct 907 ms 24644 KB Ok
79 Correct 934 ms 24292 KB Ok
80 Correct 966 ms 24004 KB Ok
81 Correct 1301 ms 24672 KB Ok
82 Correct 1049 ms 24308 KB Ok
83 Correct 1033 ms 23364 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 6 ms 9676 KB Ok
4 Correct 6 ms 9676 KB Ok
5 Correct 6 ms 9676 KB Ok
6 Correct 6 ms 9676 KB Ok
7 Correct 6 ms 9676 KB Ok
8 Correct 6 ms 9676 KB Ok
9 Correct 6 ms 9676 KB Ok
10 Correct 6 ms 9676 KB Ok
11 Correct 6 ms 9696 KB Ok
12 Correct 6 ms 9676 KB Ok
13 Correct 6 ms 9676 KB Ok
14 Correct 6 ms 9676 KB Ok
15 Correct 6 ms 9696 KB Ok
16 Correct 6 ms 9676 KB Ok
17 Correct 7 ms 9716 KB Ok
18 Correct 12 ms 9932 KB Ok
19 Correct 41 ms 11064 KB Ok
20 Correct 21 ms 10316 KB Ok
21 Correct 47 ms 11256 KB Ok
22 Correct 29 ms 10564 KB Ok
23 Correct 7 ms 9696 KB Ok
24 Correct 6 ms 9676 KB Ok
25 Correct 6 ms 9676 KB Ok
26 Correct 8 ms 9676 KB Ok
27 Correct 6 ms 9692 KB Ok
28 Correct 6 ms 9676 KB Ok
29 Correct 6 ms 9676 KB Ok
30 Correct 6 ms 9676 KB Ok
31 Correct 6 ms 9676 KB Ok
32 Correct 6 ms 9696 KB Ok
33 Correct 6 ms 9676 KB Ok
34 Correct 6 ms 9676 KB Ok
35 Correct 6 ms 9696 KB Ok
36 Correct 6 ms 9676 KB Ok
37 Correct 6 ms 9676 KB Ok
38 Correct 6 ms 9676 KB Ok
39 Correct 414 ms 26700 KB Ok
40 Correct 366 ms 29564 KB Ok
41 Correct 819 ms 31144 KB Ok
42 Correct 493 ms 29640 KB Ok
43 Correct 263 ms 20804 KB Ok
44 Correct 429 ms 31020 KB Ok
45 Correct 11 ms 9888 KB Ok
46 Correct 11 ms 9804 KB Ok
47 Correct 11 ms 9900 KB Ok
48 Correct 11 ms 9820 KB Ok
49 Correct 10 ms 9804 KB Ok
50 Correct 10 ms 9872 KB Ok
51 Correct 10 ms 9804 KB Ok
52 Correct 11 ms 9804 KB Ok
53 Correct 11 ms 9804 KB Ok
54 Correct 11 ms 9824 KB Ok
55 Correct 20 ms 10160 KB Ok
56 Correct 19 ms 10188 KB Ok
57 Correct 19 ms 10188 KB Ok
58 Correct 20 ms 10188 KB Ok
59 Correct 19 ms 10188 KB Ok
60 Correct 19 ms 10060 KB Ok
61 Correct 24 ms 10136 KB Ok
62 Correct 20 ms 10136 KB Ok
63 Correct 20 ms 10140 KB Ok
64 Correct 20 ms 10188 KB Ok
65 Correct 302 ms 15800 KB Ok
66 Correct 381 ms 15968 KB Ok
67 Correct 360 ms 16216 KB Ok
68 Correct 221 ms 15292 KB Ok
69 Correct 285 ms 15904 KB Ok
70 Correct 255 ms 15844 KB Ok
71 Correct 214 ms 15300 KB Ok
72 Correct 241 ms 15592 KB Ok
73 Correct 326 ms 16068 KB Ok
74 Correct 252 ms 15428 KB Ok
75 Correct 340 ms 15920 KB Ok
76 Correct 290 ms 15876 KB Ok
77 Correct 264 ms 15556 KB Ok
78 Correct 230 ms 15300 KB Ok
79 Correct 269 ms 15940 KB Ok
80 Correct 1014 ms 24128 KB Ok
81 Correct 1049 ms 25256 KB Ok
82 Correct 1122 ms 23576 KB Ok
83 Correct 1080 ms 24452 KB Ok
84 Correct 899 ms 24124 KB Ok
85 Correct 1061 ms 23400 KB Ok
86 Correct 1061 ms 23244 KB Ok
87 Correct 968 ms 24952 KB Ok
88 Correct 957 ms 23008 KB Ok
89 Correct 907 ms 24644 KB Ok
90 Correct 934 ms 24292 KB Ok
91 Correct 966 ms 24004 KB Ok
92 Correct 1301 ms 24672 KB Ok
93 Correct 1049 ms 24308 KB Ok
94 Correct 1033 ms 23364 KB Ok
95 Correct 918 ms 26448 KB Ok
96 Correct 1354 ms 33732 KB Ok
97 Correct 1162 ms 30172 KB Ok
98 Correct 742 ms 30444 KB Ok
99 Correct 1020 ms 28736 KB Ok
100 Correct 1061 ms 29396 KB Ok
101 Correct 1036 ms 31472 KB Ok
102 Correct 1082 ms 29548 KB Ok
103 Correct 1037 ms 31520 KB Ok
104 Correct 1350 ms 32980 KB Ok
105 Correct 1300 ms 32540 KB Ok
106 Correct 1174 ms 32128 KB Ok
107 Correct 1076 ms 31592 KB Ok
108 Correct 1641 ms 32848 KB Ok
109 Correct 1528 ms 33880 KB Ok
110 Execution timed out 2098 ms 39200 KB Time limit exceeded
111 Halted 0 ms 0 KB -