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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
#200447#7523. Partially Free MealDiwanulWA 371ms128600kbC++144.2kb2023-10-04 17:00:172023-10-04 17:00:18

Judging History

你现在查看的是最新测评结果

  • [2023-10-04 17:00:18]
  • 评测
  • 测评结果:WA
  • 用时:371ms
  • 内存:128600kb
  • [2023-10-04 17:00:17]
  • 提交

answer

//prepare for coding{{{
//preparaton{{{
#include<bits/stdc++.h>

//#define RELEASE
#ifdef RELEASE
#define DB(...) ;
#else
//#define FILE
#ifdef FILE
#define DB(...) fprintf(stderr,__VA_ARGS__)
#else
#define DB printf
#endif
#endif 
//#define MOD_OPERATOR
//#define CMP_OPERATOR
//#define GRP_OPERATOR
#define int LL
//}}}

//constants{{{
typedef long long LL;

const int N=200000,LGN=20;
const LL INF=0x3f3f3f3f3f3f3f3f;
//}}}

//std{{{
using namespace std;
//}}}

//input and output{{{
inline int Read(){
	char c=getchar();
	int res=0;
	bool b=0;
	while(c>'9'||c<'0')
		b=(c=='-'),c=getchar();
	while(c>='0'&&c<='9')
		res=(res<<3)+(res<<1)+c-'0',c=getchar();
	return b?-res:res;
}
//}}}

//other small functions{{{
//}}}

//variables{{{
int n;
int lsh[N+10],tl;

struct ITEM{
	int a,b;

	inline bool operator<(const ITEM &x)const{
		return b<x.b;
	}

	inline void Init(){
		lsh[++tl]=a=Read();
		b=Read();
	}
}a[N+10];
//}}}

//modulo operators{{{
#ifdef MOD_OPERATOR
const int MOD=998244353;

inline int Add(int a,int b){
	return a+b<MOD?a+b:a+b-MOD;
}

inline int MAdd(int &x,int y){
	return (x+=y)<MOD?x:x-=MOD;
}

inline int Mul(int a,int b){
	return 1ll*a*b%MOD;
}

inline int MMul(int &x,int y){
	return x=1ll*x*y%MOD;
}

inline int Pow(int x,int b=MOD-2){
	int res=1;
	while(b){
		if(b&1)
			MMul(res,x);
		MMul(x,x);
		b>>=1;
	}
	return res;
}
#endif
//}}}

//compare operators{{{
inline int Max(int a,int b){
	return a<b?b:a;
}

inline int CMX(int &x,int y){
	return x<y?x=y:x;
}

inline int Min(int a,int b){
	return a>b?b:a;
}

inline int CMN(int &x,int y){
	return x>y?x=y:x;
}
//}}}

//graph operators{{{
#ifdef GRP_OPERATOR
int te=1,head[N+10];
int s,t;

struct EDGE{
	int n,t;
}e[N*2+10];

inline void Adde(int u,int v){
	e[++te].n=head[u];
	e[te].t=v;
	head[u]=te;
	e[++te].n=head[v];
	e[te].t=u;
	head[v]=te;
}
#endif
//}}}
//}}}

//persistent segment tree{{{
int rt[N+10];

struct PST{
	int tn;

	struct NODE{
		int sm,sz,ls,rs;
	}nd[N*LGN];

#define LS(u) nd[u].ls
#define RS(u) nd[u].rs
#define SM(u) nd[u].sm
#define SZ(u) nd[u].sz

	inline void Modify(int old,int &u,int l,int r,int x,int y){
		u=++tn;
		SM(u)=SM(old)+y;
		SZ(u)=SZ(old)+1;
		if(l==r)
			return;
		int mid=(l+r)>>1;
		if(x>mid)
			Modify(RS(old),RS(u),mid+1,r,x,y);
		else
			Modify(LS(old),LS(u),l,mid,x,y);
	}

	inline int Query(int u,int l,int r,int x){
		if(l==r)
			return x*lsh[l];
		int mid=(l+r)>>1;
		if(x<SZ(LS(u)))
			return Query(LS(u),l,mid,x);
		else
			return SM(LS(u))+Query(RS(u),mid+1,r,x-SZ(LS(u)));
	}
}pt;
//}}}

//solve{{{
int st[N+10],tst;

inline int Calc(int x,int y){
	return y>x?INF:pt.Query(rt[x-1],1,n,y-1)+lsh[a[x].a]+a[x].b;
}

inline bool Check(int x,int y,int z){
	int l=1,r=z-1,ans=z;
	while(l<=r){
		int mid=(l+r)>>1;
		if(Calc(z,mid)<=Calc(y,mid))
			r=(ans=mid)-1;
		else
			l=mid+1;
	}
	if(y==118&&Calc(x,ans)<=Calc(z,ans))
		printf("%lld %lld %lld %lld %lld %lld %lld\n",x,y,z,ans,Calc(x,ans),Calc(y,ans),Calc(z,ans));
	return Calc(x,ans)<=Calc(z,ans);
}
//}}}

//main{{{
signed main(){
#ifdef FILE
	freopen(".in","r",stdin);
	freopen(".out","w",stdout);
#endif
	n=Read();
	for(int i=1;i<=n;++i)
		a[i].Init();
	sort(lsh+1,lsh+1+tl);
	tl=unique(lsh+1,lsh+1+tl)-lsh-1;
	for(int i=1;i<=n;++i)
		a[i].a=lower_bound(lsh+1,lsh+1+tl,a[i].a)-lsh;
	sort(a+1,a+1+n);
	for(int i=1;i<=n;++i)
		pt.Modify(rt[i-1],rt[i],1,tl,a[i].a,lsh[a[i].a]);
	if(n>10)
		printf("%lld\n",pt.Query(rt[50],1,tl,1));
	for(int i=1;i<=n;++i){
		while((tst&&lsh[a[st[tst]].a]+a[st[tst]].b>lsh[a[i].a]+a[i].b)||(tst>1&&Check(st[tst-1],st[tst],i)))
			--tst;
		st[++tst]=i;
	}
	for(int i=1,j=1;i<=tst&&j<=n;++i){
		int di=st[i],ni=st[i+1];
		/*
		if(n==200000){
			printf("%lld %lld\n",di,ni);
			printf("%lld %lld %lld\n",j,lsh[a[di].a],a[di].b);
			if(di==873)
				for(int t=1;t<=5;++t)
					printf("s%lld\n",sgt1.Query(1,1,n,t)-sgt1.Query(1,1,n,t-1));
		}
		*/
		while(j<=di&&(di==n||Calc(di,j)<Calc(ni,j)))
			printf("%lld\n",Calc(di,j)),++j;
	}
	return 0;
}
//}}}
//《象》曰:泽灭木,大过。君子以独立不惧,遁世无闷。

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 5680kb

input:

3
2 5
4 3
3 7

output:

7
11
16

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 371ms
memory: 128600kb

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:

1144613
50 118 121 2 126446521 930400886 133193638
1318594
100567691
176020191
638501626
1100983061
918484219
1918481277
2918478335
3918475393
4918472451
5918469509
6918466567
7918463625
8918460683
9918457741
10918454799
11918451857
12918448915
13918445973
14918443031
15918440089
16918437147
1791843...

result:

wrong answer 1st lines differ - expected: '1318594', found: '1144613'