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답안 #633736

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
633736 2022-08-23T07:25:05 Z 406 Party (INOI20_party) C++17
63 / 100
 3000 ms 1018308 KB 
#include <bits/stdc++.h>
using ll = long long;
using namespace std;

#define forn(a, b) for (int a = 0; a < (b); a++)
#define rofn(a, b) for (int a = (b) - 1; a >= 0; a--)
#define LOG(a) (63 - __builtin_clzll(a))
#define gc() (pt1==pt2&&(pt2=(pt1=buf)+fread(buf,1,1<<21,stdin),pt1==pt2)?EOF:*pt1++)
char buf[1<<21],*pt1,*pt2;

inline ll read() {
	ll x = 0;char c;
	while(!isdigit(c = gc()));
	while(isdigit(c)) x = (x<<3)+(x<<1)+(c^48), c = gc();
	return x;
}

const ll INFL = 1ll << 60;
const int INF = 1 << 29;
const int N = 61;
const int M = 2 * N;
const int MOD = 1e9 + 7;
const int X = 2.6e8;

ll d0[M][M], d1[M][M];
ll n;
int ptr, ans, q;
int pw2[X + 1];
//unordered_map<ll, int> calced;

inline ll pw(ll a, int b) {
    ll re = 1;
    while (b) {
        if (b & 1)
            re = (re * a) % MOD;
        a = (a * a) % MOD;
        b >>= 1;
    }
    return re;
}

inline int p2(ll b) {
    b %= (MOD - 1);
    ll a = 1;
    while (b > X) {
        a = (a * pw2[X]) % MOD;
        b -= X;
    }
    return a * pw2[b] % MOD;
}

void calc_dist(ll v) {
    for (int k = LOG(v) + 1; k < N; k++) {
        int x = k - LOG(v) - 1;
        if ((v << x) > n)
            d1[ptr][x] = 0;
        else
            d1[ptr][x] = min(n - (v << x) + 1, ((ll)1 << x));
    }
    if (v > 1) {
        for (int k = 2; k < N; k++)
            d0[ptr][k] -= d1[ptr][k - 2];
    }
}

inline void pass() {
    for (int k = 1; k < M; k++)
        d0[ptr + 1][k] = d0[ptr][k - 1] + d1[ptr][k - 1];
    ptr++;
}

void Complete(ll v) {
    //cout << "C: " << v << ' ' << sub << " PTR: " << ptr << '\n';
    calc_dist(v);

    if ((v << 1) <= n) {
        pass();
        Complete(v << 1);
        q <<= 1;
        if (q >= MOD)
            q -= MOD;
    }

    ll s = 0;
    for (int k = 0; s != n; k++) {
        s += d0[ptr][k] + d1[ptr][k];
        q += p2(n - s) - 1;
        if (q >= MOD)
            q -= MOD;
    }
    ptr--;
}

inline int solve(ll a, ll b) {
    int x = LOG(b) - LOG(a);
    a <<= x;
    return x + (a <= b);
}

void F(ll v, ll sub) {
    if (((sub) & (sub + 1)) == 0) {
        q = 0;
        Complete(v);
        ans += q;
        if (ans >= MOD)
            ans -= MOD;
        return;
    }

    //cout << "F: " << v << ' ' << sub << " PTR: " << ptr << '\n';
    calc_dist(v);

    ll r = (v << 1) | 1;
    ll l = (v << 1);
    int cntr = solve(r, n), cntl = solve(l, n);

    if (cntr == cntl) {
        q = 0;
        if ((v << 1) <= n) {
            pass();
            Complete(v << 1);
            ans += q;
            if (ans >= MOD)
                ans -= MOD;
        }

        if (((v << 1) | 1) <= n) {
            pass();
            F((v << 1) | 1, sub - (1ll << cntl));
        }
    }
    else {
        if (((v << 1) | 1) <= n) {
            q = 0;
            pass();
            Complete((v << 1) | 1);
            ans += q;
            if (ans >= MOD)
                ans -= MOD;
        }
        if ((v << 1) <= n) {
            pass();
            F((v << 1), sub - (1ll << cntr));
        }
    }
    

    ll s = 0;
    for (int k = 0; s != n; k++) {
        s += d0[ptr][k] + d1[ptr][k];
        ans += p2(n - s) - 1;
        if (ans >= MOD)
            ans -= MOD;
    }
    ptr--;
}

signed main() {
    ios::sync_with_stdio(0), cin.tie(0);

    pw2[0] = 1;
    for (int i = 1; i <= X; i++) {
        pw2[i] = pw2[i - 1] * 2;
        if (pw2[i] >= MOD)
            pw2[i] -= MOD;
    }

    int query = read();
    //cin >> query;
    while (query--) {
        //cin >> n;
        n = read();

        F(1, n);
        ll re = p2(n) - 1;

        ans = (ans * pw(re, MOD - 2)) % MOD;
        cout << ans << '\n';

        ans = q = ptr = 0;
    }
    return 0;
}
//a

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1280 ms 1017880 KB Output is correct
2 Correct 1287 ms 1017840 KB Output is correct
3 Correct 1274 ms 1017864 KB Output is correct
4 Correct 1287 ms 1017872 KB Output is correct
5 Correct 1278 ms 1017984 KB Output is correct
6 Correct 1289 ms 1018088 KB Output is correct
7 Correct 1255 ms 1017900 KB Output is correct
8 Correct 1266 ms 1017884 KB Output is correct
9 Correct 1278 ms 1017988 KB Output is correct
10 Correct 1321 ms 1018000 KB Output is correct
11 Correct 1306 ms 1018032 KB Output is correct
12 Correct 1271 ms 1017860 KB Output is correct
13 Correct 1676 ms 1017932 KB Output is correct
14 Correct 1297 ms 1017928 KB Output is correct
15 Correct 1279 ms 1017940 KB Output is correct
16 Correct 1286 ms 1017960 KB Output is correct
17 Correct 1302 ms 1017940 KB Output is correct
18 Correct 1299 ms 1017948 KB Output is correct
19 Correct 1294 ms 1018060 KB Output is correct
20 Correct 1319 ms 1017976 KB Output is correct

Subtask #2
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1316 ms 1018044 KB Output is correct
2 Correct 1322 ms 1017984 KB Output is correct
3 Correct 1306 ms 1018024 KB Output is correct
4 Correct 1323 ms 1018160 KB Output is correct
5 Correct 1306 ms 1017952 KB Output is correct
6 Correct 1316 ms 1018056 KB Output is correct
7 Correct 1327 ms 1018044 KB Output is correct
8 Correct 1316 ms 1017964 KB Output is correct
9 Correct 1305 ms 1018124 KB Output is correct
10 Correct 1358 ms 1017972 KB Output is correct
11 Correct 1445 ms 1018112 KB Output is correct
12 Correct 1442 ms 1018096 KB Output is correct
13 Correct 1424 ms 1018084 KB Output is correct
14 Correct 1441 ms 1018060 KB Output is correct
15 Correct 1445 ms 1018076 KB Output is correct
16 Correct 1864 ms 1017988 KB Output is correct
17 Correct 1434 ms 1018068 KB Output is correct
18 Correct 1419 ms 1018304 KB Output is correct
19 Correct 1472 ms 1018004 KB Output is correct
20 Correct 1415 ms 1018084 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1383 ms 1018096 KB Output is correct
2 Correct 1415 ms 1018048 KB Output is correct
3 Correct 1404 ms 1018052 KB Output is correct
4 Correct 1420 ms 1017976 KB Output is correct
5 Correct 1402 ms 1018044 KB Output is correct
6 Correct 1404 ms 1017936 KB Output is correct
7 Correct 1416 ms 1018112 KB Output is correct
8 Correct 1424 ms 1018052 KB Output is correct
9 Correct 1301 ms 1017936 KB Output is correct
10 Correct 1295 ms 1018080 KB Output is correct
11 Correct 1319 ms 1017952 KB Output is correct
12 Correct 1316 ms 1018048 KB Output is correct
13 Correct 1691 ms 1018120 KB Output is correct
14 Correct 1674 ms 1018148 KB Output is correct
15 Correct 1820 ms 1017976 KB Output is correct
16 Correct 1771 ms 1018120 KB Output is correct
17 Correct 1670 ms 1017928 KB Output is correct
18 Correct 1471 ms 1017924 KB Output is correct
19 Correct 1428 ms 1018004 KB Output is correct
20 Correct 1454 ms 1017940 KB Output is correct

Subtask #4
0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1280 ms 1017880 KB Output is correct
2 Correct 1287 ms 1017840 KB Output is correct
3 Correct 1274 ms 1017864 KB Output is correct
4 Correct 1287 ms 1017872 KB Output is correct
5 Correct 1278 ms 1017984 KB Output is correct
6 Correct 1289 ms 1018088 KB Output is correct
7 Correct 1255 ms 1017900 KB Output is correct
8 Correct 1266 ms 1017884 KB Output is correct
9 Correct 1278 ms 1017988 KB Output is correct
10 Correct 1321 ms 1018000 KB Output is correct
11 Correct 1306 ms 1018032 KB Output is correct
12 Correct 1271 ms 1017860 KB Output is correct
13 Correct 1676 ms 1017932 KB Output is correct
14 Correct 1297 ms 1017928 KB Output is correct
15 Correct 1279 ms 1017940 KB Output is correct
16 Correct 1286 ms 1017960 KB Output is correct
17 Correct 1302 ms 1017940 KB Output is correct
18 Correct 1299 ms 1017948 KB Output is correct
19 Correct 1294 ms 1018060 KB Output is correct
20 Correct 1319 ms 1017976 KB Output is correct
21 Correct 1316 ms 1018044 KB Output is correct
22 Correct 1322 ms 1017984 KB Output is correct
23 Correct 1306 ms 1018024 KB Output is correct
24 Correct 1323 ms 1018160 KB Output is correct
25 Correct 1306 ms 1017952 KB Output is correct
26 Correct 1316 ms 1018056 KB Output is correct
27 Correct 1327 ms 1018044 KB Output is correct
28 Correct 1316 ms 1017964 KB Output is correct
29 Correct 1305 ms 1018124 KB Output is correct
30 Correct 1358 ms 1017972 KB Output is correct
31 Correct 1445 ms 1018112 KB Output is correct
32 Correct 1442 ms 1018096 KB Output is correct
33 Correct 1424 ms 1018084 KB Output is correct
34 Correct 1441 ms 1018060 KB Output is correct
35 Correct 1445 ms 1018076 KB Output is correct
36 Correct 1864 ms 1017988 KB Output is correct
37 Correct 1434 ms 1018068 KB Output is correct
38 Correct 1419 ms 1018304 KB Output is correct
39 Correct 1472 ms 1018004 KB Output is correct
40 Correct 1415 ms 1018084 KB Output is correct
41 Correct 1383 ms 1018096 KB Output is correct
42 Correct 1415 ms 1018048 KB Output is correct
43 Correct 1404 ms 1018052 KB Output is correct
44 Correct 1420 ms 1017976 KB Output is correct
45 Correct 1402 ms 1018044 KB Output is correct
46 Correct 1404 ms 1017936 KB Output is correct
47 Correct 1416 ms 1018112 KB Output is correct
48 Correct 1424 ms 1018052 KB Output is correct
49 Correct 1301 ms 1017936 KB Output is correct
50 Correct 1295 ms 1018080 KB Output is correct
51 Correct 1319 ms 1017952 KB Output is correct
52 Correct 1316 ms 1018048 KB Output is correct
53 Correct 1691 ms 1018120 KB Output is correct
54 Correct 1674 ms 1018148 KB Output is correct
55 Correct 1820 ms 1017976 KB Output is correct
56 Correct 1771 ms 1018120 KB Output is correct
57 Correct 1670 ms 1017928 KB Output is correct
58 Correct 1471 ms 1017924 KB Output is correct
59 Correct 1428 ms 1018004 KB Output is correct
60 Correct 1454 ms 1017940 KB Output is correct
61 Correct 1445 ms 1017820 KB Output is correct
62 Correct 1465 ms 1017956 KB Output is correct
63 Correct 2507 ms 1018064 KB Output is correct
64 Correct 2458 ms 1017992 KB Output is correct
65 Correct 2417 ms 1018060 KB Output is correct
66 Correct 2470 ms 1018068 KB Output is correct
67 Correct 2497 ms 1018076 KB Output is correct
68 Correct 2545 ms 1018072 KB Output is correct
69 Correct 2329 ms 1018252 KB Output is correct
70 Correct 2311 ms 1018076 KB Output is correct
71 Correct 1333 ms 1018016 KB Output is correct
72 Correct 1316 ms 1018308 KB Output is correct
73 Correct 1412 ms 1018024 KB Output is correct
74 Correct 1689 ms 1018144 KB Output is correct
75 Execution timed out 3088 ms 1018088 KB Time limit exceeded
76 Halted 0 ms 0 KB -