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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#200172 | #7523. Partially Free Meal | Diwanul | WA | 109ms | 25072kb | C++14 | 3.8kb | 2023-10-04 15:38:07 | 2023-10-04 15:38:09 |
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{{{
int st[N+10],tst;
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){
while(tst&&lsh[a[st[tst]].a]+a[st[tst]].b>lsh[a[i].a]+a[i].b)
--tst;
st[++tst]=i;
}
for(int i=1;i<st[1];++i)
sgt1.Modify(1,1,tl,a[i].a,lsh[a[i].a]),sgt2.Modify(1,1,tl,a[i].a,lsh[a[i].a]);
for(int i=st[1];i<st[2];++i)
sgt2.Modify(1,1,tl,a[i].a,lsh[a[i].a]);
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);
}
while(j<=di&&(di==n||sgt1.Query(1,1,n,j-1)+lsh[a[di].a]+a[di].b<sgt2.Query(1,1,n,j-1)+lsh[a[ni].a]+a[ni].b))
printf("%lld\n",sgt1.Query(1,1,n,j-1)+lsh[a[di].a]+a[di].b),++j;
if(i<tst)
for(int k=st[i];k<st[i+1];++k)
sgt1.Modify(1,1,tl,a[k].a,lsh[a[k].a]);
if(i<tst-1)
for(int k=st[i+1];k<st[i+2];++k)
sgt2.Modify(1,1,tl,a[k].a,lsh[a[k].a]);
}
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: 5804kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 109ms
memory: 25072kb
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:
50 118 1 1144613 173981 1318594 118 492 2 1683306 380099 3208018 492 873 3 1311457 1431150 5570526 873 1617 4 696518 2504951 7340845 9223347 11487338 1617 1724 7 632642 4652949 1724 1993 7 747489 4933840 12898863 14697855 1993 2227 9 1072688 5742479 2227 2529 9 844774 6383252 2529 2789 9 163951 7211...
result:
wrong answer 1st lines differ - expected: '1318594', found: '50 118'