oj.uz

답안 #1013334

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1013334 2024-07-03T12:22:40 Z AverageAmogusEnjoyer 비밀 (JOI14_secret) C++17
0 / 100
 298 ms 4588 KB 
#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
using ll = long long;
template<class T> bool cmin(T &i, T j) { return i > j ? i=j,true:false; }
template<class T> bool cmax(T &i, T j) { return i < j ? i=j,true:false; }

mt19937 mrand(chrono::steady_clock::now().time_since_epoch().count());

int rng() {
    return abs((int)mrand());
}

// Current challenge: finish CSES problemset!!

constexpr int nax = 1000, lg = 10;

int cnt;

int res[lg][nax];

int mask[nax];

int a[nax];

/*
int Secret(int x,int y) {
    cnt++;
    return x+y;
}
*/

void build(int l,int r,int pw) {
    if (l == r) {
        return;
    }
    int m = (l+r)/2;
    res[pw][m] = a[m];
    for (int i=m-1;i>=l;i--) { res[pw][i] = Secret(res[pw][i+1],a[i]); }
    res[pw][m+1] = a[m+1];
    for (int i=m+2;i<=r;i++) { res[pw][i] = Secret(res[pw][i-1],a[i]); } 
    for (int i=m+1;i<=r;i++) { mask[i] ^= 1 << pw; }
    build(l,m,pw+1);
    build(m+1,r,pw+1);
}

void Init(int n,int _a[]) {
    for (int i=0;i<n;i++) {
        a[i] = _a[i];
    }
    build(0,n-1,0);
}

int Query(int l,int r) {
    if (l == r) { return a[l]; }
    int bits = __builtin_ctz(mask[l] ^ mask[r]);
    return Secret(res[bits][l],res[bits][r]);
}
/*
int main() {
    ios_base::sync_with_stdio(false); 
    cin.tie(nullptr);
    int n;
    cin >> n;
    int _a[n];
    for (int i=0;i<n;i++) {
        cin >> _a[i];
    }
    Init(n,_a);
    cout << cnt << endl;
}
*/

Subtask #1
0.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 71 ms 2460 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015.
2 Incorrect 72 ms 2412 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3 Incorrect 75 ms 2520 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500.
4 Incorrect 298 ms 4368 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568.
5 Incorrect 268 ms 4316 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316.
6 Incorrect 275 ms 4588 KB Wrong Answer: Query(200, 208) - expected : 277813445, actual : 154975445.
7 Incorrect 289 ms 4436 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873.
8 Incorrect 274 ms 4432 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792.
9 Incorrect 276 ms 4296 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577.
10 Incorrect 297 ms 4380 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787.