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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#421659 | #8723. 乘二 | liusy | WA | 0ms | 3680kb | C++11 | 2.8kb | 2024-05-25 23:59:14 | 2024-05-25 23:59:14 |
Judging History
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, i;
}arr[N];
bool cmp(node a, node b){
return a.a < b.a;
}
struct cmpmi
{
//重载 () 运算符
bool operator()(node a, node b)
{
int ai = -1, bi = -1;
int da = a.a, db = b.a;
while(da){
ai ++;
da = da & (da - 1);
}
while(db){
bi ++;
db = db & (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;
priority_queue<node, vector<node>, cmpmi> que;
for(int i = 1; i <= n; i ++){
scanf("%lld", &arr[i].a);
}
// 真值排序
sort(arr + 1, arr + n + 1, cmp);
// 计算最大值的二进制位数
int maxx = arr[n].a, maxi = -1;
while(maxx){
maxi ++;
maxx >>= 1;
}
// 底数真值,指数,方向指数,下标
que.push({arr[n].a, 0, 0, n});
for(int i = 1; i < n; i ++){
ll maxx = arr[n].a;
ll tmp = arr[i].a;
int cnt = 0;
while((1 << maxi) > tmp){
cnt ++;
tmp <<= 1;
//cout << "?";
}
arr[i].mi = cnt;
// que.push({arr[i].a, arr[i].n, arr[i].mi, i});
que.push({arr[i].a, 0, arr[i].mi, i});
}
// for(int i = 1; i <= n; i ++){
// cout << arr[i].mi << " ";
// }cout << endl;
int f = 0;
while(k){
auto toop = que.top();
//cout << toop.a << " ";
if(toop.mi == 0){
f = 1;
break;
}
que.pop();
k --;
toop.mi -= 1;
toop.n += 1;
arr[toop.i].n += 1;
que.push(toop);
}
//k = k + 1;
//cout << k << endl;
if(k){
int tk = k / n;
k = k % n;
for(int i = 1; i <= n; i ++){
arr[i].n += tk;
if(i <= k)arr[i].n += 1;
}
}
ll ans = 0;
for(int i = 1; i <= n; i ++){
ll ai = arr[i].a, cnt = arr[i].n;
ai = ai % mod;
ll tmp = 1, t = 2;
while(cnt){
if(cnt & 1){
tmp = (tmp * t) % mod;
}
t = t * t % mod;
cnt >>= 1;
}
tmp = tmp * ai % mod;
cout << tmp << ' ';
ans = ans + tmp % mod;
}
cout << ans;
return 0;
}
/*
3 10 7 2 1
28 32 16
*/
详细
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3680kb
input:
3 3 7 2 1
output:
4 4 7 15
result:
wrong answer 1st numbers differ - expected: '15', found: '4'