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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 |
---|---|---|---|---|---|---|---|---|---|
#644562 | #4270. Double Attendance | SimonLJK | 0 | 2ms | 9864kb | C++14 | 3.4kb | 2024-10-16 14:37:05 | 2024-10-16 14:37:08 |
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=1e6+99,inf=1e16;
int n,k;
struct node{
int l,r;
bool operator <(const node&A) const{
return r<A.r;
}
}p[2][N];
int cnt[2];
struct info{
int tim,las;
bool operator <(const info&A) const{
return tim<A.tim||(tim==A.tim&&las<A.las);
}
};
info f[2][N][2];
info gg[4];
void update(info *g,info a){
gg[0]=g[0]; gg[1]=g[1]; gg[2]=a;
sort(gg,gg+2+1);
g[0]=gg[0];
if(gg[1].las<g[0].las) g[1]=gg[1];
else g[1]=gg[2];
return;
}
int query(int tp,int x){
if(x==0) return 0;
int l=1,r=cnt[tp],mid,re=cnt[tp]+1;
while(l<=r){
mid=(l+r)/2;
if(p[tp][mid].r>=x) re=mid,r=mid-1;
else l=mid+1;
}
return re;
}
void solve(){
int n1,n2;
cin>>n1>>n2>>k;
k*=10000;
n=n1+n2;
int l,r,tp;
cnt[0]=cnt[1]=0;
for(int i=1;i<=n1;i++){
cin>>l>>r; tp=0; l++; r++;
l*=10000; r*=10000; r--;
p[tp][++cnt[tp]]=(node){l,r};
}
for(int i=1;i<=n2;i++){
cin>>l>>r; tp=1; l++; r++;
l*=10000; r*=10000; r--;
p[tp][++cnt[tp]]=(node){l,r};
}
sort(p[0]+1,p[0]+cnt[0]+1); p[0][cnt[0]+1]=(node){inf,inf};
sort(p[1]+1,p[1]+cnt[1]+1); p[1][cnt[1]+1]=(node){inf,inf};
info init=(info){inf,0};
for(int i=0;i<=n;i++)
f[0][i][0]=f[0][i][1]=f[1][i][0]=f[1][i][1]=init;
f[0][0][0]=(info){0,0};
int id1,id2,id3,id4,id5,id6,id7,id8;
for(int i=0;i<=n;i++){
id1=query(1,f[0][i][0].tim+k);
if(id1==f[0][i][0].las)
update(f[1][i+(id1!=f[0][i][0].las)],(info){max(f[0][i][0].tim+k,p[1][id1].l),query(0,f[0][i][0].tim)});
id3=query(1,f[0][i][1].tim+k);
if(id3==f[0][i][1].las)
update(f[1][i+(id3!=f[0][i][1].las)],(info){max(f[0][i][1].tim+k,p[1][id3].l),query(0,f[0][i][1].tim)});
id5=query(0,f[1][i][0].tim+k);
if(id5==f[1][i][0].las)
update(f[0][i+(id5!=f[1][i][0].las)],(info){max(f[1][i][0].tim+k,p[0][id5].l),query(1,f[1][i][0].tim)});
id7=query(0,f[1][i][1].tim+k);
if(id7==f[1][i][1].las)
update(f[0][i+(id7!=f[1][i][1].las)],(info){max(f[1][i][1].tim+k,p[0][id7].l),query(1,f[1][i][1].tim)});
id1=query(1,f[0][i][0].tim+k);
update(f[1][i+(id1!=f[0][i][0].las)],(info){max(f[0][i][0].tim+k,p[1][id1].l),id2=query(0,f[0][i][0].tim)});
id3=query(1,f[0][i][1].tim+k);
update(f[1][i+(id3!=f[0][i][1].las)],(info){max(f[0][i][1].tim+k,p[1][id3].l),id4=query(0,f[0][i][1].tim)});
id5=query(0,f[1][i][0].tim+k);
update(f[0][i+(id5!=f[1][i][0].las)],(info){max(f[1][i][0].tim+k,p[0][id5].l),id6=query(1,f[1][i][0].tim)});
id7=query(0,f[1][i][1].tim+k);
update(f[0][i+(id7!=f[1][i][1].las)],(info){max(f[1][i][1].tim+k,p[0][id7].l),id8=query(1,f[1][i][1].tim)});
while(p[0][id2].l>f[0][i][0].tim) id2--;
if(id2<cnt[0]) update(f[0][i+1],(info){p[0][id2+1].l,f[0][i][0].las});
while(p[0][id4].l>f[0][i][1].tim) id4--;
if(id4<cnt[0]) update(f[0][i+1],(info){p[0][id4+1].l,f[0][i][1].las});
while(p[1][id6].l>f[1][i][0].tim) id6--;
if(id6<cnt[1]) update(f[1][i+1],(info){p[1][id6+1].l,f[1][i][0].las});
while(p[1][id8].l>f[1][i][1].tim) id8--;
if(id8<cnt[1]) update(f[1][i+1],(info){p[1][id8+1].l,f[1][i][1].las});
}
int ans=0;
for(int i=1;i<=n;i++)
if(f[0][i][0].tim<inf||f[0][i][1].tim<inf||f[1][i][0].tim<inf||f[1][i][1].tim<inf) ans=i;
cout<<ans<<'\n';
return;
}
signed main(){
// freopen("move.in","r",stdin);
// freopen("move.out","w",stdout);
std::ios::sync_with_stdio(false);
cin.tie(0);
int T; T=1;
while(T--) solve();
return 0;
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 5
Accepted
time: 0ms
memory: 9784kb
input:
3 1 8 10 20 100 101 20 21 15 25
output:
3
result:
ok single line: '3'
Test #2:
score: 0
Wrong Answer
time: 1ms
memory: 9804kb
input:
1 5 3 1 100 1 2 2 3 3 4 4 5 5 6
output:
5
result:
wrong answer 1st lines differ - expected: '4', found: '5'
Subtask #2:
score: 0
Skipped
Dependency #1:
0%
Subtask #3:
score: 0
Wrong Answer
Test #104:
score: 6
Accepted
time: 1ms
memory: 9864kb
input:
1 1 1 0 1 0 1
output:
1
result:
ok single line: '1'
Test #105:
score: 0
Wrong Answer
time: 2ms
memory: 9864kb
input:
1 2000 2 999999996 1000000000 336 337 502 503 1906 1907 963 964 1351 1352 1795 1796 1510 1511 304 305 1930 1931 1735 1736 1469 1470 338 339 813 814 182 183 209 210 321 322 849 850 721 722 394 395 889 890 1758 1759 1440 1441 560 561 1470 1471 1916 1917 793 794 1366 1367 158 159 1602 1603 214 215 1119...
output:
2001
result:
wrong answer 1st lines differ - expected: '2000', found: '2001'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%