oj.uz

Submission #308484

# Submission time Handle Problem Language Result Execution time Memory
308484 2020-10-01T11:55:29 Z aZvezda Nice sequence (IZhO18_sequence) C++14
76 / 100
 2000 ms 53872 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 = 1e6 + 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 = 0, 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 291 ms 41464 KB Ok
2 Correct 300 ms 41464 KB Ok
3 Correct 303 ms 41592 KB Ok
4 Correct 300 ms 41464 KB Ok
5 Correct 294 ms 41592 KB Ok
6 Correct 304 ms 41592 KB Ok
7 Correct 292 ms 41592 KB Ok
8 Correct 300 ms 41592 KB Ok
9 Correct 300 ms 41592 KB Ok
10 Correct 300 ms 41592 KB Ok
11 Correct 299 ms 41464 KB Ok
12 Correct 304 ms 41464 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 303 ms 41464 KB Ok
2 Correct 302 ms 41464 KB Ok
3 Correct 296 ms 41464 KB Ok
4 Correct 305 ms 41464 KB Ok
5 Correct 301 ms 41592 KB Ok
6 Correct 310 ms 41592 KB Ok
7 Correct 332 ms 42012 KB Ok
8 Correct 306 ms 41720 KB Ok
9 Correct 334 ms 41976 KB Ok
10 Correct 319 ms 41720 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 139 ms 41468 KB Ok
2 Correct 301 ms 41596 KB Ok
3 Correct 296 ms 41592 KB Ok
4 Correct 314 ms 41508 KB Ok
5 Correct 298 ms 41592 KB Ok
6 Correct 300 ms 41720 KB Ok
7 Correct 296 ms 41592 KB Ok
8 Correct 298 ms 41592 KB Ok
9 Correct 300 ms 41592 KB Ok
10 Correct 300 ms 41596 KB Ok
11 Correct 299 ms 41592 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 299 ms 41464 KB Ok
2 Correct 297 ms 41464 KB Ok
3 Correct 296 ms 41592 KB Ok
4 Correct 301 ms 41628 KB Ok
5 Correct 300 ms 41540 KB Ok
6 Correct 635 ms 46396 KB Ok
7 Correct 553 ms 46188 KB Ok
8 Correct 899 ms 48232 KB Ok
9 Correct 690 ms 48492 KB Ok
10 Correct 521 ms 44656 KB Ok
11 Correct 682 ms 47656 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 291 ms 41464 KB Ok
2 Correct 300 ms 41464 KB Ok
3 Correct 303 ms 41592 KB Ok
4 Correct 300 ms 41464 KB Ok
5 Correct 294 ms 41592 KB Ok
6 Correct 304 ms 41592 KB Ok
7 Correct 292 ms 41592 KB Ok
8 Correct 300 ms 41592 KB Ok
9 Correct 300 ms 41592 KB Ok
10 Correct 300 ms 41592 KB Ok
11 Correct 299 ms 41464 KB Ok
12 Correct 304 ms 41464 KB Ok
13 Correct 139 ms 41468 KB Ok
14 Correct 301 ms 41596 KB Ok
15 Correct 296 ms 41592 KB Ok
16 Correct 314 ms 41508 KB Ok
17 Correct 298 ms 41592 KB Ok
18 Correct 300 ms 41720 KB Ok
19 Correct 296 ms 41592 KB Ok
20 Correct 298 ms 41592 KB Ok
21 Correct 300 ms 41592 KB Ok
22 Correct 300 ms 41596 KB Ok
23 Correct 299 ms 41592 KB Ok
24 Correct 308 ms 41724 KB Ok
25 Correct 296 ms 41592 KB Ok
26 Correct 313 ms 41596 KB Ok
27 Correct 305 ms 41592 KB Ok
28 Correct 311 ms 41592 KB Ok
29 Correct 303 ms 41464 KB Ok
30 Correct 303 ms 41464 KB Ok
31 Correct 307 ms 41592 KB Ok
32 Correct 305 ms 41592 KB Ok
33 Correct 302 ms 41592 KB Ok
34 Correct 308 ms 41716 KB Ok
35 Correct 313 ms 41848 KB Ok
36 Correct 309 ms 41592 KB Ok
37 Correct 312 ms 41720 KB Ok
38 Correct 312 ms 41592 KB Ok
39 Correct 315 ms 41592 KB Ok
40 Correct 312 ms 41592 KB Ok
41 Correct 311 ms 41720 KB Ok
42 Correct 311 ms 41592 KB Ok
43 Correct 313 ms 41720 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 291 ms 41464 KB Ok
2 Correct 300 ms 41464 KB Ok
3 Correct 303 ms 41592 KB Ok
4 Correct 300 ms 41464 KB Ok
5 Correct 294 ms 41592 KB Ok
6 Correct 304 ms 41592 KB Ok
7 Correct 292 ms 41592 KB Ok
8 Correct 300 ms 41592 KB Ok
9 Correct 300 ms 41592 KB Ok
10 Correct 300 ms 41592 KB Ok
11 Correct 299 ms 41464 KB Ok
12 Correct 304 ms 41464 KB Ok
13 Correct 303 ms 41464 KB Ok
14 Correct 302 ms 41464 KB Ok
15 Correct 296 ms 41464 KB Ok
16 Correct 305 ms 41464 KB Ok
17 Correct 301 ms 41592 KB Ok
18 Correct 310 ms 41592 KB Ok
19 Correct 332 ms 42012 KB Ok
20 Correct 306 ms 41720 KB Ok
21 Correct 334 ms 41976 KB Ok
22 Correct 319 ms 41720 KB Ok
23 Correct 139 ms 41468 KB Ok
24 Correct 301 ms 41596 KB Ok
25 Correct 296 ms 41592 KB Ok
26 Correct 314 ms 41508 KB Ok
27 Correct 298 ms 41592 KB Ok
28 Correct 300 ms 41720 KB Ok
29 Correct 296 ms 41592 KB Ok
30 Correct 298 ms 41592 KB Ok
31 Correct 300 ms 41592 KB Ok
32 Correct 300 ms 41596 KB Ok
33 Correct 299 ms 41592 KB Ok
34 Correct 308 ms 41724 KB Ok
35 Correct 296 ms 41592 KB Ok
36 Correct 313 ms 41596 KB Ok
37 Correct 305 ms 41592 KB Ok
38 Correct 311 ms 41592 KB Ok
39 Correct 303 ms 41464 KB Ok
40 Correct 303 ms 41464 KB Ok
41 Correct 307 ms 41592 KB Ok
42 Correct 305 ms 41592 KB Ok
43 Correct 302 ms 41592 KB Ok
44 Correct 308 ms 41716 KB Ok
45 Correct 313 ms 41848 KB Ok
46 Correct 309 ms 41592 KB Ok
47 Correct 312 ms 41720 KB Ok
48 Correct 312 ms 41592 KB Ok
49 Correct 315 ms 41592 KB Ok
50 Correct 312 ms 41592 KB Ok
51 Correct 311 ms 41720 KB Ok
52 Correct 311 ms 41592 KB Ok
53 Correct 313 ms 41720 KB Ok
54 Correct 537 ms 44016 KB Ok
55 Correct 605 ms 44528 KB Ok
56 Correct 594 ms 44404 KB Ok
57 Correct 500 ms 43888 KB Ok
58 Correct 567 ms 44016 KB Ok
59 Correct 536 ms 44016 KB Ok
60 Correct 490 ms 43760 KB Ok
61 Correct 504 ms 44016 KB Ok
62 Correct 622 ms 44400 KB Ok
63 Correct 526 ms 43888 KB Ok
64 Correct 611 ms 44288 KB Ok
65 Correct 572 ms 44140 KB Ok
66 Correct 535 ms 44016 KB Ok
67 Correct 482 ms 43888 KB Ok
68 Correct 547 ms 44144 KB Ok
69 Correct 1063 ms 48112 KB Ok
70 Correct 1150 ms 49512 KB Ok
71 Correct 973 ms 47420 KB Ok
72 Correct 1046 ms 48880 KB Ok
73 Correct 1087 ms 47852 KB Ok
74 Correct 987 ms 46868 KB Ok
75 Correct 971 ms 47016 KB Ok
76 Correct 1052 ms 49136 KB Ok
77 Correct 920 ms 46576 KB Ok
78 Correct 1038 ms 48880 KB Ok
79 Correct 999 ms 48280 KB Ok
80 Correct 991 ms 47984 KB Ok
81 Correct 968 ms 48624 KB Ok
82 Correct 990 ms 48112 KB Ok
83 Correct 984 ms 46964 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 291 ms 41464 KB Ok
2 Correct 300 ms 41464 KB Ok
3 Correct 303 ms 41592 KB Ok
4 Correct 300 ms 41464 KB Ok
5 Correct 294 ms 41592 KB Ok
6 Correct 304 ms 41592 KB Ok
7 Correct 292 ms 41592 KB Ok
8 Correct 300 ms 41592 KB Ok
9 Correct 300 ms 41592 KB Ok
10 Correct 300 ms 41592 KB Ok
11 Correct 299 ms 41464 KB Ok
12 Correct 304 ms 41464 KB Ok
13 Correct 303 ms 41464 KB Ok
14 Correct 302 ms 41464 KB Ok
15 Correct 296 ms 41464 KB Ok
16 Correct 305 ms 41464 KB Ok
17 Correct 301 ms 41592 KB Ok
18 Correct 310 ms 41592 KB Ok
19 Correct 332 ms 42012 KB Ok
20 Correct 306 ms 41720 KB Ok
21 Correct 334 ms 41976 KB Ok
22 Correct 319 ms 41720 KB Ok
23 Correct 139 ms 41468 KB Ok
24 Correct 301 ms 41596 KB Ok
25 Correct 296 ms 41592 KB Ok
26 Correct 314 ms 41508 KB Ok
27 Correct 298 ms 41592 KB Ok
28 Correct 300 ms 41720 KB Ok
29 Correct 296 ms 41592 KB Ok
30 Correct 298 ms 41592 KB Ok
31 Correct 300 ms 41592 KB Ok
32 Correct 300 ms 41596 KB Ok
33 Correct 299 ms 41592 KB Ok
34 Correct 299 ms 41464 KB Ok
35 Correct 297 ms 41464 KB Ok
36 Correct 296 ms 41592 KB Ok
37 Correct 301 ms 41628 KB Ok
38 Correct 300 ms 41540 KB Ok
39 Correct 635 ms 46396 KB Ok
40 Correct 553 ms 46188 KB Ok
41 Correct 899 ms 48232 KB Ok
42 Correct 690 ms 48492 KB Ok
43 Correct 521 ms 44656 KB Ok
44 Correct 682 ms 47656 KB Ok
45 Correct 308 ms 41724 KB Ok
46 Correct 296 ms 41592 KB Ok
47 Correct 313 ms 41596 KB Ok
48 Correct 305 ms 41592 KB Ok
49 Correct 311 ms 41592 KB Ok
50 Correct 303 ms 41464 KB Ok
51 Correct 303 ms 41464 KB Ok
52 Correct 307 ms 41592 KB Ok
53 Correct 305 ms 41592 KB Ok
54 Correct 302 ms 41592 KB Ok
55 Correct 308 ms 41716 KB Ok
56 Correct 313 ms 41848 KB Ok
57 Correct 309 ms 41592 KB Ok
58 Correct 312 ms 41720 KB Ok
59 Correct 312 ms 41592 KB Ok
60 Correct 315 ms 41592 KB Ok
61 Correct 312 ms 41592 KB Ok
62 Correct 311 ms 41720 KB Ok
63 Correct 311 ms 41592 KB Ok
64 Correct 313 ms 41720 KB Ok
65 Correct 537 ms 44016 KB Ok
66 Correct 605 ms 44528 KB Ok
67 Correct 594 ms 44404 KB Ok
68 Correct 500 ms 43888 KB Ok
69 Correct 567 ms 44016 KB Ok
70 Correct 536 ms 44016 KB Ok
71 Correct 490 ms 43760 KB Ok
72 Correct 504 ms 44016 KB Ok
73 Correct 622 ms 44400 KB Ok
74 Correct 526 ms 43888 KB Ok
75 Correct 611 ms 44288 KB Ok
76 Correct 572 ms 44140 KB Ok
77 Correct 535 ms 44016 KB Ok
78 Correct 482 ms 43888 KB Ok
79 Correct 547 ms 44144 KB Ok
80 Correct 1063 ms 48112 KB Ok
81 Correct 1150 ms 49512 KB Ok
82 Correct 973 ms 47420 KB Ok
83 Correct 1046 ms 48880 KB Ok
84 Correct 1087 ms 47852 KB Ok
85 Correct 987 ms 46868 KB Ok
86 Correct 971 ms 47016 KB Ok
87 Correct 1052 ms 49136 KB Ok
88 Correct 920 ms 46576 KB Ok
89 Correct 1038 ms 48880 KB Ok
90 Correct 999 ms 48280 KB Ok
91 Correct 991 ms 47984 KB Ok
92 Correct 968 ms 48624 KB Ok
93 Correct 990 ms 48112 KB Ok
94 Correct 984 ms 46964 KB Ok
95 Correct 969 ms 48140 KB Ok
96 Correct 1449 ms 50660 KB Ok
97 Correct 1419 ms 49968 KB Ok
98 Correct 1028 ms 49124 KB Ok
99 Correct 1278 ms 49380 KB Ok
100 Correct 1336 ms 49252 KB Ok
101 Correct 1289 ms 50276 KB Ok
102 Correct 1170 ms 49252 KB Ok
103 Correct 1247 ms 49764 KB Ok
104 Correct 1464 ms 50628 KB Ok
105 Correct 1427 ms 50472 KB Ok
106 Correct 1115 ms 49924 KB Ok
107 Correct 1294 ms 50264 KB Ok
108 Correct 1511 ms 50644 KB Ok
109 Correct 1269 ms 50660 KB Ok
110 Execution timed out 2094 ms 53872 KB Time limit exceeded
111 Halted 0 ms 0 KB -