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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#236593 | #7523. Partially Free Meal | Crying | RE | 1ms | 5624kb | C++14 | 1.9kb | 2023-11-04 08:42:54 | 2023-11-04 08:42:55 |
Judging History
answer
#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=(a);i<=(b);i++)
#define per(i,a,b) for(int i=(a);i>=(b);i--)
#define op(x) ((x&1)?x+1:x-1)
#define odd(x) (x&1)
#define even(x) (!odd(x))
#define lowbit(x) (x&-x)
#define mp(x,y) make_pair(x,y)
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
using namespace std;
const ll MAXN = 2e5+10,MAXM = 6e6+10,INF = 1e18,M = 1e9;
void tomin(ll& x,ll y){x = min(x,y);}
void tomax(ll& x,ll y){x = max(x,y);}
int n,rt[MAXN];
typedef array<int,2> pr;
pr a[MAXN];
#define lc(x) (t[x].lc)
#define rc(x) (t[x].rc)
#define mid ((l+r)>>1)
struct Seg{
int lc,rc,cnt;
ll sum;
}t[MAXM];
int tot;
void pu(int x){
t[x].cnt = t[lc(x)].cnt + t[rc(x)].cnt;
t[x].sum = t[lc(x)].sum + t[rc(x)].sum;
}
int mdf(int p,int l,int r,int pos){
int x = ++tot;t[x] = t[p];
if(l==r){
t[x].cnt++;
t[x].sum+=l;
return x;
}
(pos<=mid)?(lc(x)=mdf(lc(x),l,mid,pos)):(rc(x)=mdf(rc(x),mid+1,r,pos));
pu(x); return x;
}
ll qry(int x,int l,int r,int k){
if(t[x].cnt < k)return INF;
if(t[x].cnt == k)return t[x].sum;
assert(l<r);
if(t[lc(x)].cnt >= k)return qry(lc(x),l,mid,k);
else return t[lc(x)].sum + qry(rc(x),mid+1,r,k-t[lc(x)].cnt);
}
#undef lc
#undef rc
#undef mid
ll ans[MAXN];
void calc(int x,int y,int l,int r){
if(x>y || l>r)return;
int mid = (x+y)>>1; //求mid的最优解
ll val = INF,pos = -1;
rep(i,l,r){
ll cost = a[i][0] + qry(rt[i],1,M,mid);
if(val > cost){
val = cost;
pos = i;
}
}
assert(pos != -1);
tomin(ans[mid],val);
calc(x,mid-1,l,pos);
calc(mid+1,y,pos,r);
}
int main(){
ios::sync_with_stdio(false);
cin>>n;
rep(i,1,n)cin>>a[i][1]>>a[i][0];
sort(a+1,a+1+n);
rep(i,1,n){
rt[i] = mdf(rt[i-1],1,M,a[i][1]);
}
rep(i,1,n)ans[i] = INF;
calc(1,n,1,n);
rep(i,1,n)cout<<ans[i]<<"\n";
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5624kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Runtime Error
input:
200000 466436993 804989151 660995237 756645598 432103296 703610564 6889895 53276988 873617076 822481192 532911431 126844295 623111499 456772252 937464699 762157133 708503076 786039753 78556972 5436013 582960979 398984169 786333369 325119902 930705057 615928139 924915828 506145001 164984329 208212435...