QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#283590 | #7108. Couleur | yixiuge777 | AC ✓ | 2951ms | 47752kb | C++14 | 2.9kb | 2023-12-14 20:57:40 | 2023-12-14 20:57:40 |
Judging History
answer
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <set>
#define ll long long
#define N 100010
using namespace std;
ll read(){
char cc;
while(1){cc=getchar();if((cc>='0'&&cc<='9')||cc=='-')break;}
ll sum=0,flag=1;
cc=='-'?flag=-1:sum=(cc^48);
while(1){cc=getchar();if(!(cc>='0'&&cc<='9'))break;sum=(sum<<1)+(sum<<3)+(cc^48);}
return sum*flag;
}
void write(ll x){
if(!x)putchar('0');
if(x<0){x=-x;putchar('-');}
ll cc[25],cntt=0;
while(x){cc[++cntt]=x%10;x/=10;}
for(ll i=cntt;i>=1;i--)putchar(cc[i]+'0');
putchar(' ');
}
multiset <ll> sans;
struct node{
ll l,r,root,ans;
inline friend bool operator<(node a,node b){return a.r<b.r;}
};set <node> s;
struct node1{
ll ls,rs,s;
}t[N<<5];
ll T,n,a[N],cnt=0,aa[N],m,q[N<<5],hh;
ll newid(){if(!hh)return ++cnt;return q[hh--];}
void insert(ll &x,ll l,ll r,ll L){
if(!x)x=newid();
t[x].s++;
if(l==r)return ;
ll mid=(l+r)>>1;
if(mid>=L)insert(t[x].ls,l,mid,L);
else insert(t[x].rs,mid+1,r,L);
}
ll ask(ll x,ll l,ll r,ll L,ll R){
if(L>R)return 0;
if(!x)return 0;
if(L<=l&&r<=R)return t[x].s;
ll mid=(l+r)>>1;
if(mid>=L&&mid<R)return ask(t[x].ls,l,mid,L,R)+ask(t[x].rs,mid+1,r,L,R);
if(mid>=L)return ask(t[x].ls,l,mid,L,R);
return ask(t[x].rs,mid+1,r,L,R);
}
void del(ll &x,ll l,ll r,ll L){
t[x].s--;
if(l!=r){
ll mid=(l+r)>>1;
if(mid>=L)del(t[x].ls,l,mid,L);
else del(t[x].rs,mid+1,r,L);
}
if(!t[x].s){q[++hh]=x;x=0;}
}
void add_node(ll l,ll r){
node s1;s1.l=l;s1.r=r;s1.root=0;s1.ans=0;
for(ll i=l;i<=r;i++){insert(s1.root,1,m,a[i]);s1.ans+=ask(s1.root,1,m,a[i]+1,m);}
s.insert(s1);sans.insert(-s1.ans);
}
void out(){
printf("\n**************\n");
for(node s1:s)printf("%lld %lld %lld %lld\n",s1.l,s1.r,s1.root,s1.ans);
printf("**************\n");
}
int main(){
// freopen("data.in","r",stdin);
// freopen("data.out","w",stdout);
T=read();while(T--){
n=read();for(ll i=1;i<=n;i++)a[i]=aa[i]=read();
sort(aa+1,aa+n+1);m=unique(aa+1,aa+n+1)-(aa+1);
for(ll i=1;i<=n;i++)a[i]=lower_bound(aa+1,aa+m+1,a[i])-aa;
for(ll i=1;i<=cnt;i++)t[i]=(node1){0,0,0};
cnt=hh=0;
s.clear();sans.clear();
add_node(1,n);
for(ll ope=1;ope<n;ope++){
write((-*sans.begin()));
ll k=read()^(-(*sans.begin()));
node s1=*s.lower_bound((node){k,k,0,0});
s.erase(s1);sans.erase(sans.find(-s1.ans));
if(s1.l==k&&s1.r==k)del(s1.root,1,m,a[k]);
else if(s1.l==k){
s1.l++;del(s1.root,1,m,a[k]);s1.ans-=ask(s1.root,1,m,1,a[k]-1);
s.insert(s1);sans.insert(-s1.ans);
}
else if(s1.r==k){
s1.r--;del(s1.root,1,m,a[k]);s1.ans-=ask(s1.root,1,m,a[k]+1,m);
s.insert(s1);sans.insert(-s1.ans);
}
else {
for(ll i=s1.l;i<=k;i++){del(s1.root,1,m,a[i]);s1.ans-=ask(s1.root,1,m,1,a[i]-1);}
add_node(s1.l,k-1);s1.l=k+1;
s.insert(s1);sans.insert(-s1.ans);
}
// out();
}
read();putchar('0');putchar('\n');
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5452kb
input:
3 5 4 3 1 1 1 5 4 5 3 1 10 9 7 1 4 7 8 5 7 4 8 21 8 15 5 9 2 4 5 10 6 15 4 8 8 1 12 1 10 14 7 14 2 9 13 10 3 37 19 23 15 7 2 10 15 2 13 4 5 8 7 10
output:
7 0 0 0 0 20 11 7 2 0 0 0 0 0 0 42 31 21 14 14 4 1 1 1 0 0 0 0 0 0
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 2951ms
memory: 47752kb
input:
11116 10 10 5 10 3 6 4 8 5 9 8 31 27 24 11 12 3 0 2 3 1 10 8 2 7 2 8 10 1 10 9 10 6 5 2 13 2 1 0 1 3 1 10 7 10 7 6 1 3 10 6 7 9 21 18 10 1 6 5 4 8 9 10 10 2 10 4 8 8 5 7 2 6 7 20 10 9 1 15 0 4 2 9 7 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 10 1 2 3 4 5 6 7 8 9 10 6 3 5 2 7 10 9 1 4 8 10 1 10 1 3...
output:
21 18 16 12 10 6 4 1 1 0 12 12 10 10 4 4 4 2 1 0 20 16 9 5 3 3 3 0 0 0 22 14 8 8 5 5 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19 12 7 4 4 2 2 1 0 0 20 18 8 3 1 1 0 0 0 0 45 21 21 10 3 3 3 0 0 0 17 11 8 2 1 1 1 0 0 0 13 4 1 0 0 0 0 0 0 0 29 27 22 15 9 7 4 3 1 0 26 16 9 2 1 1 1 1 1 0 0 0 0 0 0 ...
result:
ok 11116 lines
Extra Test:
score: 0
Extra Test Passed