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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#200537 | #7523. Partially Free Meal | Diwanul | WA | 457ms | 218808kb | C++14 | 2.8kb | 2023-10-04 17:23:46 | 2023-10-04 17:23:46 |
Judging History
answer
//code by Emissary
#include<bits/stdc++.h>
#define fi first
#define se second
#define vc vector
#define db double
#define ll long long
#define mk make_pair
#define pb push_back
#define PI pair<int,int>
#define ull unsigned long long
#define err cerr << " -_- " << endl
#define debug cerr << " ------------------- " << endl
#define input(x) freopen(#x".in","r",stdin)
#define output(x) freopen(#x".out","w",stdout)
#define NO puts("No")
#define YES puts("Yes")
#define int long long
using namespace std;
namespace IO{
inline int read(){
int X=0, W=0; char ch=getchar();
while(!isdigit(ch)) W|=ch=='-', ch=getchar();
while(isdigit(ch)) X=(X<<1)+(X<<3)+(ch^48), ch=getchar();
return W?-X:X;
}
inline void write(ll x){
if(x<0) x=-x, putchar('-');
if(x>9) write(x/10);
putchar(x%10+'0');
}
inline void sprint(ll x){write(x), putchar(32);}
inline void eprint(ll x){write(x), putchar(10);}
}using namespace IO;
const int inf = 2e9;
const int MAXN = 2e5+5;
ll res[MAXN], ans, sum[MAXN*40];
int tot, Pos[MAXN];
int n, le[MAXN], ri[MAXN];
int root[MAXN], lc[MAXN*40], rc[MAXN*40], tree[MAXN*40];
bool mark[MAXN];
struct IT{
int x, y;
inline bool friend operator < (const IT &x, const IT &y){
return x.y==y.y?x.x<y.x:x.y<y.y;
}
}a[MAXN];
inline void build(int &now, int pre, int l, int r, int pos){
now=++tot; lc[now]=lc[pre]; rc[now]=rc[pre];
tree[now]=tree[pre]+1; sum[now]=sum[pre]+pos;
if(l==r) return ;
int mid=(l+r)>>1;
if(pos<=mid) build(lc[now],lc[pre],l,mid,pos);
else build(rc[now],rc[pre],mid+1,r,pos);
return ;
}
int rk, ing[MAXN];
inline void ask(int now, int l, int r){
if(tree[now]<=rk){
rk-=tree[now];
ans+=sum[now];
return ;
}
if(l==r){
if(rk>=tree[now]) rk-=tree[now], ans+=1ll*tree[now]*l;
else ans+=1ll*rk*l, rk=0;
return ;
}
if(rk==0) return ;
int mid=(l+r)>>1;
ask(lc[now],l,mid); ask(rc[now],mid+1,r);
return ;
}
inline int Qsum(int now, int l, int r, int L, int R){
if(L<=l && r<=R) return tree[now];
int mid=(l+r)>>1, res=0;
if(L<=mid) res+=Qsum(lc[now],l,mid,L,R);
if(R>mid) res+=Qsum(rc[now],mid+1,r,L,R);
return res;
}
int stk[MAXN], topf, premax[MAXN];
inline void solve(int l, int r, int L, int R){
if(l>r) return ;
int mid=(l+r)>>1, pos=-1;
for(int i=L;i<=R;++i){
if(i<mid) continue;
rk=mid; ans=0; ask(root[i],1,inf); res[mid]=min(res[mid],ans+a[i].y);
if(ans+a[i].y==res[mid]) pos=i;
}
if(mid==56937)
printf("%lld\n",pos);
//cerr << mid << ' ' << pos << endl;
solve(l,mid-1,L,pos); solve(mid+1,r,pos,R);
}
signed main(){
n=read();
for(int i=1;i<=n;++i) res[i]=1e18;
for(int i=1;i<=n;++i) a[i].x=read(), a[i].y=read();
sort(a+1,a+1+n);
for(int i=1;i<=n;++i) build(root[i],root[i-1],1,inf,a[i].x);
solve(1,n,1,n);
for(int i=1;i<=n;++i) eprint(res[i]);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 9704kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 457ms
memory: 218808kb
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:
199998 1318594 3208018 5570526 7340845 9223347 11149865 12332210 13476823 14788280 16172895 17768627 19336633 20693779 22005236 23389851 25073157 26760338 28509336 30294967 32093959 33976461 35893858 37754030 39588384 41470886 43388283 45309771 47309654 48837539 50417767 52079411 53762717 55190044 5...
result:
wrong answer 1st lines differ - expected: '1318594', found: '199998'