QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#764735 | #7523. Partially Free Meal | ucup-team4352# | WA | 177ms | 50256kb | C++23 | 2.0kb | 2024-11-20 10:29:19 | 2024-11-20 10:29:29 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn=2e5+5;
int n,pos[maxn],loc[maxn];
struct Data{
int x,y;
}a[maxn];
int b[maxn],c[maxn];
bool comp(Data A,Data B) {
if(A.y==B.y) return A.x>B.x;
return A.y<B.y;
}
int cnt,sum[maxn*60],L[maxn*60],R[maxn*60];
void update(int rt,int l,int r,int x) {
sum[rt]++;
if(l==r) return;
int mid=l+r>>1;
if(x<=mid) {
if(!L[rt]) L[rt]=++cnt;
update(L[rt],l,mid,x);
}
else {
if(!R[rt]) R[rt]=++cnt;
update(R[rt],mid+1,r,x);
}
}
int query(int rt,int l,int r,int x) {
if(x>=r) return sum[rt];
int mid=l+r>>1;
if(x<=mid) {
int res=0;
if(L[rt]) res=query(L[rt],l,mid,x);
return res;
}
else {
int res=0;
if(L[rt]) res+=sum[L[rt]];
if(R[rt]) res+=query(R[rt],mid+1,r,x);
return res;
}
}
ll res;
struct Node{
int js[maxn<<2];
ll sum[maxn<<2];
void update(int rt,int l,int r,int p) {
js[rt]++;
sum[rt]+=b[p];
if(l==r) return;
int mid=l+r>>1;
if(p<=mid) update(rt<<1,l,mid,p);
else update(rt<<1|1,mid+1,r,p);
}
void query(int rt,int l,int r,int p) {
if(!p) return;
if(l==r) {
res+=(ll)p*b[l];
return;
}
int mid=l+r>>1;
if(js[rt<<1]<=p) {
res+=sum[rt<<1];
query(rt<<1|1,mid+1,r,p-js[rt<<1]);
}
else query(rt<<1,l,mid,p);
}
}T;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin>>n;
for(int i=1;i<=n;++i) cin>>a[i].x>>a[i].y,b[i]=a[i].x;
sort(a+1,a+1+n,comp);
sort(b+1,b+1+n);
int m=unique(b+1,b+1+n)-b-1;
for(int i=1;i<=n;++i) c[i]=lower_bound(b+1,b+1+m,a[i].x)-b;
pos[1]=1;
update(0,0,2e9,a[1].x);
loc[1]=1;
for(int i=2;i<=n;++i) {
pos[i]=query(0,0,2e9,a[i].x+a[i].y-a[i-1].y)+1;
loc[pos[i]]=i;
update(0,0,2e9,a[i].x);
}
int now=1;
for(int i=1;i<=n;i++){
loc[i]=max(loc[i],loc[i-1]);
//k=i的答案为,maxb取b[loc[i]]时的前k大的sum
while(now<loc[i]) {
T.update(1,1,m,c[now]);
now++;
}
res=(ll)a[loc[i]].x+a[loc[i]].y;
T.query(1,1,m,i-1);
cout<<res<<'\n';
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 11868kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 177ms
memory: 50256kb
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:
102043294 224635328 224644015 675770530 675782549 675795075 675812301 675831882 862773973 862797373 862824627 862856425 862888707 862929706 974809359 974852723 974896322 974943405 974992243 975043130 975096523 975151532 975213060 975275656 975344030 975413790 975484372 975557816 975631334 975705789 ...
result:
wrong answer 1st lines differ - expected: '1318594', found: '102043294'