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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#136838#241. Chiaki Sequence RevisitedkiwiHM#0 0ms0kbC++141.3kb2023-08-09 12:34:142023-08-09 12:34:17

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-08-09 12:34:17]
  • 评测
  • 测评结果:0
  • 用时:0ms
  • 内存:0kb
  • [2023-08-09 12:34:14]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

typedef __int128 LL;

void write(LL x){
    if (x < 10){
        putchar('0' + x);
        return;
    }
    write(x / 10);
    putchar('0' + x % 10);
}
void writeln(LL x){
    if (x == 0){
        puts("0\n");
        return;
    }
    write(x), puts("");
}

LL count(LL x){
    LL ret = x + 1;
    for (int i = 1; i <= 62; i++){
        LL pw = 1ll << i;
        ret += x / pw;
    }
    return ret;
}

LL func(LL x){
    return x * (x + 1) / 2;
}

LL sum(LL x){
    LL ret = func(x) + 1;
    for (int i = 1; i <= 62; i++){
        LL pw = 1ll << i;
        LL len = x / pw;
        ret += func(len) * pw;
    }
    return ret;
}

int main(){
    int T; cin >> T;
    while (T--){
        long long tmpx; cin >> tmpx;
        LL x = tmpx;
        if (x == 1){
            cout << 1 << endl;
            continue;
        }
        LL lft = 1, rgt = x, lmt = 1;
        while (lft <= rgt){
            LL mid = (lft + rgt) >> 1;
            if (count(mid) > x)
                rgt = mid - 1;
            else lft = mid + 1, lmt = mid;
        }
        LL ans = sum(lmt);
        LL delta = x - count(lmt);
        ans += delta * (lmt + 1);
        writeln(ans);
    }
    return 0;
}

Details

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Test #1:

score: 0
Time Limit Exceeded

input:

100000
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1...

output:

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45
53
61
69
77
86
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129
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464
486
509
533
557
581
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656
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709
737
765
793
822
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882
913
945
977
1009
1041
1073
1105
1138
1172
1206
1241
1277
1313
1349
1386
1424
1462
1501
1541
158...

result: