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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#200066 | #7523. Partially Free Meal | Diwanul | WA | 172ms | 25436kb | C++14 | 3.6kb | 2023-10-04 15:15:46 | 2023-10-04 15:15:47 |
Judging History
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;
//}}}
//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
//}}}
//}}}
//segment tree{{{
struct SGT{
struct NODE{
int sm,sz;
}nd[N<<2];
#define LS(u) (u<<1)
#define RS(u) ((u<<1)|1)
#define SM(u) nd[u].sm
#define SZ(u) nd[u].sz
inline void Modify(int u,int l,int r,int x,int y){
SM(u)+=y;
++SZ(u);
if(l==r)
return;
int mid=(l+r)>>1;
if(x>mid)
Modify(RS(u),mid+1,r,x,y);
else
Modify(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)));
}
}sgt1,sgt2;
//}}}
//main{{{
signed main(){
#ifdef FILE
freopen(".in","r",stdin);
freopen(".out","w",stdout);
#endif
n=Read();
int st=1;
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)
if(lsh[a[i].a]+a[i].b<lsh[a[st].a]+a[st].b)
st=i;
if(n==200000){
for(int i=st;i<=n;++i)
printf("%lld %lld\n",lsh[a[i].a],a[i].b);
}
sgt2.Modify(1,1,tl,a[1].a,lsh[a[1].a]);
for(int i=2;i<st;++i)
sgt1.Modify(1,1,tl,a[i-1].a,lsh[a[i-1].a]),sgt2.Modify(1,1,tl,a[i].a,lsh[a[i].a]);
for(int i=st,j=1;i<=n&&j<=n;++i){
if(i>1)
sgt1.Modify(1,1,tl,a[i-1].a,lsh[a[i-1].a]);
sgt2.Modify(1,1,tl,a[i].a,lsh[a[i].a]);
while(j<=i&&(i==n||sgt1.Query(1,1,n,j-1)+lsh[a[i].a]+a[i].b<sgt2.Query(1,1,n,j-1)+lsh[a[i+1].a]+a[i+1].b))
printf("%lld\n",sgt1.Query(1,1,n,j-1)+lsh[a[i].a]+a[i].b),++j;
}
return 0;
}
//}}}
//《象》曰:泽灭木,大过。君子以独立不惧,遁世无闷。
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5848kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 172ms
memory: 25436kb
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 173981 656885373 176266 336176587 176497 364183045 179932 495324669 182384 360678139 183857 180980702 184388 35557555 185574 753760931 188137 140585123 188167 719424196 191057 54515685 191070 398276529 195112 413050092 196056 526633893 196960 867538313 210080 952585869 210804 69329533 211104...
result:
wrong answer 1st lines differ - expected: '1318594', found: '1144613 173981'