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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#546062 | #7523. Partially Free Meal | Liangsheng298 | WA | 662ms | 110280kb | C++14 | 2.2kb | 2024-09-03 19:23:24 | 2024-09-03 19:23:27 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline T read(){
T x=0;char ch=getchar();bool fl=false;
while(!isdigit(ch)){if(ch=='-')fl=true;ch=getchar();}
while(isdigit(ch)){
x=(x<<3)+(x<<1)+(ch^48);ch=getchar();
}
return fl?-x:x;
}
#define FASTIO ios::sync_with_stdio(false);cin.tie(0);
#define LL long long
#define read() read<int>()
const int maxn = 2e5 + 10;
const LL INF = 0x3f3f3f3f3f3f3f3f;
int cnt;
struct tree{
int ls,rs,sz;
LL val;
}t[maxn<<5];
#define mid ((l+r)>>1)
void build(int &p,int l,int r){
p=++cnt;
if(l==r)return ;
build(t[p].ls,l,mid);
build(t[p].rs,mid+1,r);
}
void update(int &p,int pre,int l,int r,int pos,LL val){
p=++cnt;
t[p].ls=t[pre].ls;t[p].rs=t[pre].rs;
t[p].sz=t[pre].sz+1;
t[p].val=t[pre].val+val;
if(l==r)return ;
if(pos<=mid)update(t[p].ls,t[pre].ls,l,mid,pos,val);
else update(t[p].rs,t[pre].rs,mid+1,r,pos,val);
}
LL query(int p,int l,int r,int k){
if(t[p].sz<k)return INF;
if(!k)return 0;
if(l==r)return t[p].val;
if(t[t[p].ls].sz>=k)return query(t[p].ls,l,r,k);
LL res=t[t[p].ls].val;
res+=query(t[p].rs,mid+1,r,k-t[t[p].ls].sz);
return res;
}
int rt[maxn],n;
LL f[maxn],b[maxn],tot,mp[maxn];
pair<LL,LL> a[maxn];
inline LL w(int k,int x){
return a[x].first+mp[a[x].second]+query(rt[x-1],1,tot,k-1);
}
void DP(int l,int r,int k_l,int k_r){
assert(k_l<=k_r);
int k=max(k_l,mid);
for(int i=max(k_l,mid);i<=k_r;i++)if(w(mid,i)<w(mid,k))k=i;
f[mid]=w(mid,k);
if(l<mid)DP(l,mid-1,k_l,k);
if(r>mid)DP(mid+1,r,k,k_r);
}
int main(){
FASTIO;
cin>>n;
for(int i=1;i<=n;i++)cin>>a[i].second>>a[i].first;
sort(a+1,a+1+n);
for(int i=1;i<=n;i++)b[i]=a[i].second;
sort(b+1,b+1+n);
tot=unique(b+1,b+1+n)-(b+1);
build(rt[0],1,tot);
for(int i=1;i<=n;i++){
int pos=lower_bound(b+1,b+1+tot,a[i].second)-b;
mp[pos]=a[i].second;
a[i].second=pos;
update(rt[i],rt[i-1],1,tot,a[i].second,mp[a[i].second]);
}
DP(1,n,1,n);
for(int i=1;i<=n;i++)cout<<f[i]<<'\n';
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 11768kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 662ms
memory: 110280kb
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...
output:
1318594 4557430888800148993 4557430888802038417 4557430888804400925 4557430888806171244 4557430888808053746 4557430888809980264 4557430888811162609 4557430888812307222 4557430888813618679 4557430888815003294 4557430888816599026 4557430888818167032 4557430888819524178 4557430888820835635 455743088882...
result:
wrong answer 2nd lines differ - expected: '3208018', found: '4557430888800148993'