oj.uz

Submission #308485

# Submission time Handle Problem Language Result Execution time Memory
308485 2020-10-01T11:58:27 Z aZvezda Nice sequence (IZhO18_sequence) C++14
76 / 100
 2000 ms 39396 KB 
#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
#define endl "\n"
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const ll mod = 1e9 + 7;
template<class T> inline void fix(T &x) {if(labs(x) >= mod) {x %= mod;} if(x < 0) {x += mod;}}
#define out(x) cout << __LINE__ << ": " << (#x) << " = " << (x) << endl

const int MAX_N = 5e5 + 10;
vector<int> g[MAX_N];
int used[MAX_N];
int n, m;
int arr[MAX_N], pref[MAX_N];

vector<int> top;

bool eval(int x) {
    top.resize(0);
    for(int i = 0; i <= x; i ++) {
        g[i].resize(0);
        used[i] = 0;
    }
    for(int i = 0; i <= x; i ++) {
        if(i + n <= x) {
            g[i + n].push_back(i);
            used[i] ++;
        }
        if(i - m >= 0) {
            g[i - m].push_back(i);
            used[i] ++;
        }
    }
    for(int i = 0; i <= x; i ++) {
        if(used[i] == 0) {
            top.push_back(i);
        }
    }
    int ind = 0;
    while(ind < top.size()) {
        auto curr = top[ind]; ind ++;
        for(auto it : g[curr]) {
            used[it] --;
            if(used[it] == 0) {
                top.push_back(it);
            }
        }
    }
    return top.size() == x + 1;
}

void build(int x) {
    for(int i = 0; i <= x; i ++) {
        pref[top[i]] = i;
    }
    for(int i = 0; i < x; i ++) {
        arr[i] = pref[i + 1] - pref[i];
    }
}

void solve() {
    cin >> n >> m;
    int l = max(n - 1, m - 1), r = MAX_N - 2;
    while(l < r - 1) {
        int m = (l + r) / 2ll;
        //cout << l << " " << m << " " << r << endl;
        if(eval(m)) {
            l = m;
        } else {
            r = m;
        }
    }
    cout << l << endl;
    eval(l);
    build(l);
    for(int i = 0; i < l; i ++) {
        cout << arr[i] << " ";
    }
    cout << endl;
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    int t;
    cin >> t;
    while(t --) {
        solve();
    }
    return 0;
}

Compilation message

sequence.cpp: In function 'bool eval(int)':
sequence.cpp:45:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     while(ind < top.size()) {
      |           ~~~~^~~~~~~~~~~~
sequence.cpp:54:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   54 |     return top.size() == x + 1;
      |            ~~~~~~~~~~~^~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 149 ms 20856 KB Ok
2 Correct 150 ms 20984 KB Ok
3 Correct 149 ms 20984 KB Ok
4 Correct 150 ms 21112 KB Ok
5 Correct 150 ms 20864 KB Ok
6 Correct 149 ms 20864 KB Ok
7 Correct 152 ms 20984 KB Ok
8 Correct 150 ms 20856 KB Ok
9 Correct 151 ms 20856 KB Ok
10 Correct 150 ms 20984 KB Ok
11 Correct 148 ms 21068 KB Ok
12 Correct 151 ms 20864 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 151 ms 20856 KB Ok
2 Correct 150 ms 20948 KB Ok
3 Correct 147 ms 20984 KB Ok
4 Correct 144 ms 20856 KB Ok
5 Correct 138 ms 20860 KB Ok
6 Correct 157 ms 21112 KB Ok
7 Correct 175 ms 21496 KB Ok
8 Correct 164 ms 21240 KB Ok
9 Correct 176 ms 21752 KB Ok
10 Correct 171 ms 21368 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 20856 KB Ok
2 Correct 148 ms 20944 KB Ok
3 Correct 149 ms 20864 KB Ok
4 Correct 149 ms 21056 KB Ok
5 Correct 149 ms 20984 KB Ok
6 Correct 149 ms 20944 KB Ok
7 Correct 146 ms 20948 KB Ok
8 Correct 148 ms 20856 KB Ok
9 Correct 147 ms 20856 KB Ok
10 Correct 150 ms 20856 KB Ok
11 Correct 147 ms 20948 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 20856 KB Ok
2 Correct 150 ms 20948 KB Ok
3 Correct 140 ms 20856 KB Ok
4 Correct 148 ms 20984 KB Ok
5 Correct 139 ms 20856 KB Ok
6 Correct 508 ms 27172 KB Ok
7 Correct 425 ms 27088 KB Ok
8 Correct 758 ms 29164 KB Ok
9 Correct 574 ms 29164 KB Ok
10 Correct 388 ms 25068 KB Ok
11 Correct 561 ms 28524 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 149 ms 20856 KB Ok
2 Correct 150 ms 20984 KB Ok
3 Correct 149 ms 20984 KB Ok
4 Correct 150 ms 21112 KB Ok
5 Correct 150 ms 20864 KB Ok
6 Correct 149 ms 20864 KB Ok
7 Correct 152 ms 20984 KB Ok
8 Correct 150 ms 20856 KB Ok
9 Correct 151 ms 20856 KB Ok
10 Correct 150 ms 20984 KB Ok
11 Correct 148 ms 21068 KB Ok
12 Correct 151 ms 20864 KB Ok
13 Correct 69 ms 20856 KB Ok
14 Correct 148 ms 20944 KB Ok
15 Correct 149 ms 20864 KB Ok
16 Correct 149 ms 21056 KB Ok
17 Correct 149 ms 20984 KB Ok
18 Correct 149 ms 20944 KB Ok
19 Correct 146 ms 20948 KB Ok
20 Correct 148 ms 20856 KB Ok
21 Correct 147 ms 20856 KB Ok
22 Correct 150 ms 20856 KB Ok
23 Correct 147 ms 20948 KB Ok
24 Correct 157 ms 20984 KB Ok
25 Correct 156 ms 20992 KB Ok
26 Correct 157 ms 20984 KB Ok
27 Correct 145 ms 20984 KB Ok
28 Correct 153 ms 20984 KB Ok
29 Correct 154 ms 20984 KB Ok
30 Correct 154 ms 21028 KB Ok
31 Correct 154 ms 21056 KB Ok
32 Correct 155 ms 21052 KB Ok
33 Correct 151 ms 20984 KB Ok
34 Correct 164 ms 21112 KB Ok
35 Correct 162 ms 21112 KB Ok
36 Correct 152 ms 21112 KB Ok
37 Correct 155 ms 21244 KB Ok
38 Correct 161 ms 21112 KB Ok
39 Correct 163 ms 21240 KB Ok
40 Correct 153 ms 21116 KB Ok
41 Correct 164 ms 21112 KB Ok
42 Correct 155 ms 21112 KB Ok
43 Correct 165 ms 21240 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 149 ms 20856 KB Ok
2 Correct 150 ms 20984 KB Ok
3 Correct 149 ms 20984 KB Ok
4 Correct 150 ms 21112 KB Ok
5 Correct 150 ms 20864 KB Ok
6 Correct 149 ms 20864 KB Ok
7 Correct 152 ms 20984 KB Ok
8 Correct 150 ms 20856 KB Ok
9 Correct 151 ms 20856 KB Ok
10 Correct 150 ms 20984 KB Ok
11 Correct 148 ms 21068 KB Ok
12 Correct 151 ms 20864 KB Ok
13 Correct 151 ms 20856 KB Ok
14 Correct 150 ms 20948 KB Ok
15 Correct 147 ms 20984 KB Ok
16 Correct 144 ms 20856 KB Ok
17 Correct 138 ms 20860 KB Ok
18 Correct 157 ms 21112 KB Ok
19 Correct 175 ms 21496 KB Ok
20 Correct 164 ms 21240 KB Ok
21 Correct 176 ms 21752 KB Ok
22 Correct 171 ms 21368 KB Ok
23 Correct 69 ms 20856 KB Ok
24 Correct 148 ms 20944 KB Ok
25 Correct 149 ms 20864 KB Ok
26 Correct 149 ms 21056 KB Ok
27 Correct 149 ms 20984 KB Ok
28 Correct 149 ms 20944 KB Ok
29 Correct 146 ms 20948 KB Ok
30 Correct 148 ms 20856 KB Ok
31 Correct 147 ms 20856 KB Ok
32 Correct 150 ms 20856 KB Ok
33 Correct 147 ms 20948 KB Ok
34 Correct 157 ms 20984 KB Ok
35 Correct 156 ms 20992 KB Ok
36 Correct 157 ms 20984 KB Ok
37 Correct 145 ms 20984 KB Ok
38 Correct 153 ms 20984 KB Ok
39 Correct 154 ms 20984 KB Ok
40 Correct 154 ms 21028 KB Ok
41 Correct 154 ms 21056 KB Ok
42 Correct 155 ms 21052 KB Ok
43 Correct 151 ms 20984 KB Ok
44 Correct 164 ms 21112 KB Ok
45 Correct 162 ms 21112 KB Ok
46 Correct 152 ms 21112 KB Ok
47 Correct 155 ms 21244 KB Ok
48 Correct 161 ms 21112 KB Ok
49 Correct 163 ms 21240 KB Ok
50 Correct 153 ms 21116 KB Ok
51 Correct 164 ms 21112 KB Ok
52 Correct 155 ms 21112 KB Ok
53 Correct 165 ms 21240 KB Ok
54 Correct 409 ms 24336 KB Ok
55 Correct 477 ms 24436 KB Ok
56 Correct 468 ms 24564 KB Ok
57 Correct 375 ms 24224 KB Ok
58 Correct 434 ms 24308 KB Ok
59 Correct 417 ms 24364 KB Ok
60 Correct 374 ms 23884 KB Ok
61 Correct 379 ms 24052 KB Ok
62 Correct 495 ms 24560 KB Ok
63 Correct 395 ms 24172 KB Ok
64 Correct 482 ms 24556 KB Ok
65 Correct 442 ms 24564 KB Ok
66 Correct 419 ms 24308 KB Ok
67 Correct 357 ms 24152 KB Ok
68 Correct 416 ms 24304 KB Ok
69 Correct 995 ms 28616 KB Ok
70 Correct 973 ms 29684 KB Ok
71 Correct 850 ms 27764 KB Ok
72 Correct 877 ms 28788 KB Ok
73 Correct 960 ms 28152 KB Ok
74 Correct 843 ms 27508 KB Ok
75 Correct 886 ms 27248 KB Ok
76 Correct 1030 ms 29424 KB Ok
77 Correct 807 ms 26864 KB Ok
78 Correct 896 ms 29168 KB Ok
79 Correct 982 ms 28792 KB Ok
80 Correct 841 ms 28292 KB Ok
81 Correct 940 ms 28880 KB Ok
82 Correct 888 ms 28784 KB Ok
83 Correct 827 ms 27504 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 149 ms 20856 KB Ok
2 Correct 150 ms 20984 KB Ok
3 Correct 149 ms 20984 KB Ok
4 Correct 150 ms 21112 KB Ok
5 Correct 150 ms 20864 KB Ok
6 Correct 149 ms 20864 KB Ok
7 Correct 152 ms 20984 KB Ok
8 Correct 150 ms 20856 KB Ok
9 Correct 151 ms 20856 KB Ok
10 Correct 150 ms 20984 KB Ok
11 Correct 148 ms 21068 KB Ok
12 Correct 151 ms 20864 KB Ok
13 Correct 151 ms 20856 KB Ok
14 Correct 150 ms 20948 KB Ok
15 Correct 147 ms 20984 KB Ok
16 Correct 144 ms 20856 KB Ok
17 Correct 138 ms 20860 KB Ok
18 Correct 157 ms 21112 KB Ok
19 Correct 175 ms 21496 KB Ok
20 Correct 164 ms 21240 KB Ok
21 Correct 176 ms 21752 KB Ok
22 Correct 171 ms 21368 KB Ok
23 Correct 69 ms 20856 KB Ok
24 Correct 148 ms 20944 KB Ok
25 Correct 149 ms 20864 KB Ok
26 Correct 149 ms 21056 KB Ok
27 Correct 149 ms 20984 KB Ok
28 Correct 149 ms 20944 KB Ok
29 Correct 146 ms 20948 KB Ok
30 Correct 148 ms 20856 KB Ok
31 Correct 147 ms 20856 KB Ok
32 Correct 150 ms 20856 KB Ok
33 Correct 147 ms 20948 KB Ok
34 Correct 148 ms 20856 KB Ok
35 Correct 150 ms 20948 KB Ok
36 Correct 140 ms 20856 KB Ok
37 Correct 148 ms 20984 KB Ok
38 Correct 139 ms 20856 KB Ok
39 Correct 508 ms 27172 KB Ok
40 Correct 425 ms 27088 KB Ok
41 Correct 758 ms 29164 KB Ok
42 Correct 574 ms 29164 KB Ok
43 Correct 388 ms 25068 KB Ok
44 Correct 561 ms 28524 KB Ok
45 Correct 157 ms 20984 KB Ok
46 Correct 156 ms 20992 KB Ok
47 Correct 157 ms 20984 KB Ok
48 Correct 145 ms 20984 KB Ok
49 Correct 153 ms 20984 KB Ok
50 Correct 154 ms 20984 KB Ok
51 Correct 154 ms 21028 KB Ok
52 Correct 154 ms 21056 KB Ok
53 Correct 155 ms 21052 KB Ok
54 Correct 151 ms 20984 KB Ok
55 Correct 164 ms 21112 KB Ok
56 Correct 162 ms 21112 KB Ok
57 Correct 152 ms 21112 KB Ok
58 Correct 155 ms 21244 KB Ok
59 Correct 161 ms 21112 KB Ok
60 Correct 163 ms 21240 KB Ok
61 Correct 153 ms 21116 KB Ok
62 Correct 164 ms 21112 KB Ok
63 Correct 155 ms 21112 KB Ok
64 Correct 165 ms 21240 KB Ok
65 Correct 409 ms 24336 KB Ok
66 Correct 477 ms 24436 KB Ok
67 Correct 468 ms 24564 KB Ok
68 Correct 375 ms 24224 KB Ok
69 Correct 434 ms 24308 KB Ok
70 Correct 417 ms 24364 KB Ok
71 Correct 374 ms 23884 KB Ok
72 Correct 379 ms 24052 KB Ok
73 Correct 495 ms 24560 KB Ok
74 Correct 395 ms 24172 KB Ok
75 Correct 482 ms 24556 KB Ok
76 Correct 442 ms 24564 KB Ok
77 Correct 419 ms 24308 KB Ok
78 Correct 357 ms 24152 KB Ok
79 Correct 416 ms 24304 KB Ok
80 Correct 995 ms 28616 KB Ok
81 Correct 973 ms 29684 KB Ok
82 Correct 850 ms 27764 KB Ok
83 Correct 877 ms 28788 KB Ok
84 Correct 960 ms 28152 KB Ok
85 Correct 843 ms 27508 KB Ok
86 Correct 886 ms 27248 KB Ok
87 Correct 1030 ms 29424 KB Ok
88 Correct 807 ms 26864 KB Ok
89 Correct 896 ms 29168 KB Ok
90 Correct 982 ms 28792 KB Ok
91 Correct 841 ms 28292 KB Ok
92 Correct 940 ms 28880 KB Ok
93 Correct 888 ms 28784 KB Ok
94 Correct 827 ms 27504 KB Ok
95 Correct 860 ms 30716 KB Ok
96 Correct 1264 ms 36324 KB Ok
97 Correct 1266 ms 32484 KB Ok
98 Correct 884 ms 31720 KB Ok
99 Correct 1147 ms 31960 KB Ok
100 Correct 1153 ms 31976 KB Ok
101 Correct 1147 ms 33000 KB Ok
102 Correct 1064 ms 32152 KB Ok
103 Correct 1053 ms 32712 KB Ok
104 Correct 1299 ms 33380 KB Ok
105 Correct 1314 ms 35964 KB Ok
106 Correct 977 ms 35428 KB Ok
107 Correct 1124 ms 32944 KB Ok
108 Correct 1310 ms 35944 KB Ok
109 Correct 1137 ms 36192 KB Ok
110 Execution timed out 2080 ms 39396 KB Time limit exceeded
111 Halted 0 ms 0 KB -