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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#421575#8723. 乘二liusyTL 1ms3632kbC++142.0kb2024-05-25 21:39:032024-05-25 21:39:03

Judging History

你现在查看的是最新测评结果

  • [2024-05-25 21:39:03]
  • 评测
  • 测评结果:TL
  • 用时:1ms
  • 内存:3632kb
  • [2024-05-25 21:39:03]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<queue>

using namespace std;
typedef long long ll;
const int N=200010;
const ll mod=1e9+7;
struct node{
    ll a, n, mi;

}arr[N];

bool cmp(node a, node b){
    return a.a < b.a;
}

bool cmpmi(node a, node b){
    int ai = -1, bi = -1;
    int da = a.a, db = b.a;
    while(da){
        ai ++;
        da >>= 1;
    }
    while(db){
        bi ++;
        db >>= 1;
    }
    if(ai == bi){
        return a.n < b.n;
    }
    else if(ai > bi){
        return a.n < b.n - (ai - bi);
    }
    else{
        return a.n - (bi - ai) < b.n;
    }
}

int main(){
    int n, k;
    cin >> n >> k;
    for(int i = 1; i <= n; i ++){
        scanf("%lld", &arr[i].a);
    }
    sort(arr + 1, arr + n + 1, cmp);
    int maxx = arr[n].a, maxi = -1;
    while(maxx){
        maxi ++;
        maxx >>= 1;
    }
    for(int i = 1; i < n; i ++){
        int maxx = arr[n].a;
        int tmp = arr[i].a;
        int cnt = 0;
        while(1 << maxi > tmp){
            cnt ++;
            tmp <<= 1;
            //cout << "?";
        }
        arr[i].mi = cnt;
    }

    while(k --){
        if(arr[1].mi == 0){
            break;
        }
        arr[1].mi -= 1;
        arr[1].n += 1;

        sort(arr + 1, arr + n + 1, cmpmi);
        
    }

    sort(arr + 1, arr + n + 1, cmpmi);

    if(k){
        int tk = k / n;
        k = k % n;
        for(int i = 1; i <= n; i ++){
            arr[i].n += tk;
        }
        for(int i = 1; i <= k; i ++){
            arr[i].n += 1;
        }
    }

    ll ans = 0;
    for(int i = 1; i <= n; i ++){
        int ai = arr[i].a, cnt = arr[i].n;

        int tmp = 1, t = 2;
        while(cnt){
            if(cnt & 1){
                tmp = (tmp * t) % mod;
            }
            t = t * t % mod;
            cnt >>= 1;
        }

        tmp = tmp * ai % mod;
        ans = ans + tmp % mod;
    }
    cout << ans;
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3632kb

input:

3 3
7 2 1

output:

15

result:

ok 1 number(s): "15"

Test #2:

score: -100
Time Limit Exceeded

input:

200000 1605067
366760624 67854 93901 693975 27016 1046 10808 6533158 54778 500941023 77236442 32173 10431454 2 9726 1553148 89282 411182309 494073 131299543 249904771 7906930 353 9909 3632698 29156 1917186 303 737 1189004 22 1983 263 711 4106258 2070 36704 12524642 5192 123 2061 22887 66 380 1 10153...

output:


result: