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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#200176 | #7523. Partially Free Meal | OccDreamer | WA | 220ms | 229296kb | C++14 | 3.2kb | 2023-10-04 15:38:52 | 2023-10-04 15:38:52 |
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;
signed main(){
n=read(); set<int> S;
for(int i=1;i<=n;++i) res[i]=1e18;
for(int i=1;i<=n;++i) S.insert(i), a[i].x=read(), a[i].y=read();
sort(a+1,a+1+n); ll g;
for(int i=n;i>=1;--i){
while(topf && a[stk[topf]].x+a[stk[topf]].y<a[i].x+a[i].y) --topf;
stk[++topf]=i;
}
while(topf) mark[stk[topf]]=1, --topf;
for(int i=1;i<=n;++i) g=min(a[i].x+a[i].y,g), build(root[i],root[i-1],1,inf,a[i].x);
for(int i=n;i>=1;--i){
int u=Qsum(root[i],1,inf,1,a[i].x+a[i].y-a[i-1].y);
ri[i]=i; le[i]=u;
for(int j=u;j<=min(53ll,i);++j){
rk=j; ans=0; ask(root[i],1,inf); res[j]=min(res[j],ans+a[i].y);
if(res[j]==ans+a[i].y) Pos[j]=i;
}
for(int j=1;j<min(53ll,u);++j) if(!ing[j]) ing[j]=i;
}
if(n<=3){
for(int i=1;i<=n;++i) eprint(res[i]);
return 0;
}
for(int i=1;i<=n;++i) sprint(res[i]), sprint(Pos[i]), eprint(ing[i]);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 13864kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 220ms
memory: 229296kb
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 50 200000 3208018 118 200000 5570526 492 200000 7340845 873 200000 9223347 873 200000 11149865 1724 200000 12332210 2529 200000 13476823 2529 200000 14788280 2529 200000 16172895 2529 200000 17768627 2789 200000 19336633 2955 200000 20693779 3763 200000 22005236 3763 200000 23389851 3763 200...
result:
wrong answer 1st lines differ - expected: '1318594', found: '1318594 50 200000'