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
#200157#7523. Partially Free MealOccDreamerWA 241ms227788kbC++143.1kb2023-10-04 15:34:322023-10-04 15:34:33

Judging History

你现在查看的是最新测评结果

  • [2023-10-04 15:34:33]
  • 评测
  • 测评结果:WA
  • 用时:241ms
  • 内存:227788kb
  • [2023-10-04 15:34:32]
  • 提交

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=1;i<=n;++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; 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;
}





































































详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 15772kb

input:

3
2 5
4 3
3 7

output:

7
11
16

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 241ms
memory: 227788kb

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 32813
3208018 118 55849
5570526 492 55849
7340845 873 139809
9223347 873 139809
11149865 1724 139809
12332210 2529 139809
13476823 2529 139809
14788280 2529 174259
16172895 2529 174259
17768627 2789 174259
19336633 2955 174259
20693779 3763 174259
22005236 3763 174259
23389851 3763 195139...

result:

wrong answer 1st lines differ - expected: '1318594', found: '1318594 50 32813'