#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<int,ii>
#define iiii pair<ii,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)/2)
#define all(x) x.begin(),x.end()
#define inf 1000000000
#define MOD 30013
#define N 100005
#define M 1000000
#define LOG 20
#define KOK 300
#define EPS 0.0000001
using namespace std;
struct trap {
int a,b,c,d;
int pos;
} t[N];
int n;
int mx[N],wa[N],b[N],d[N];
int ptr[N/KOK+5],ans[N/KOK+5],cnt[N/KOK+5],dd[N/KOK+5];
int add(int a,int b) {
a+=b;
if(a>=MOD) a-=MOD;
return a;
}
void upd(ii& a,ii b) {
if(b.st>a.st) {
a=b;
}
else if(b.st==a.st) {
a.nd=add(a.nd,b.nd);
}
}
void up(int pos) {
int bl=(pos-1)/KOK;
if(ptr[bl]>=pos) {
ii now={ans[bl],cnt[bl]};
upd(now,{mx[pos],wa[pos]});
ans[bl]=now.st;
cnt[bl]=now.nd;
}
}
ii get(int ind) {
int cur=0;
ii res={0,1};
for(int i=1;i<=n;i+=KOK,cur++) {
while(ptr[cur]+1<min(i+KOK,n+1) && b[ptr[cur]+1]<t[ind].a) {
++ptr[cur];
up(ptr[cur]);
}
if(dd[cur]>t[ind].c) {
for(int j=i;j<=ptr[cur];j++) {
if(d[j]<t[ind].c) {
upd(res,{mx[j],wa[j]});
}
}
break ;
}
else {
upd(res,{ans[cur],cnt[cur]});
}
}
res.st++;
return res;
}
void pre() {
sort(t+1,t+1+n,[](trap x,trap y) {
return x.d<y.d;
});
int cur=0;
for(int i=1;i<=n;i+=KOK,cur++) {
int sz=min(KOK,n-i+1);
sort(t+i,t+i+sz,[](trap x,trap y) {
return x.b<y.b;
});
for(int j=i;j<i+sz;j++) {
b[j]=t[j].b;
d[j]=t[j].d;
umax(dd[cur],d[j]);
}
ans[cur]=-1;
ptr[cur]=i-1;
}
for(int i=1;i<=n;i++) t[i].pos=i;
}
int main() {
scanf("%d",&n);
for(int i=1;i<=n;i++) scanf("%d %d %d %d",&t[i].a,&t[i].b,&t[i].c,&t[i].d);
pre();
sort(t+1,t+1+n,[](trap x,trap y){
return x.a<y.a;
});
for(int i=1;i<=n;i++) {
ii res=get(i); // index
mx[t[i].pos]=res.st;
wa[t[i].pos]=res.nd;
// cerr<<i<<" "<<mx[t[i].pos]<<'\n';
up(t[i].pos);
}
int m=0,c=0;
for(int i=1;i<=n;i++) {
if(mx[i]>m) {
m=mx[i];
c=wa[i];
}
else if(mx[i]==m) c=add(c,wa[i]);
}
printf("%d %d",m,c);
}
Compilation message
trapezoid.cpp: In function 'int main()':
trapezoid.cpp:164:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
~~~~~^~~~~~~~~
trapezoid.cpp:166:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(int i=1;i<=n;i++) scanf("%d %d %d %d",&t[i].a,&t[i].b,&t[i].c,&t[i].d);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
3 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
512 KB |
Output is correct |
| 6 |
Correct |
7 ms |
512 KB |
Output is correct |
| 7 |
Correct |
5 ms |
640 KB |
Output is correct |
| 8 |
Correct |
6 ms |
640 KB |
Output is correct |
| 9 |
Correct |
13 ms |
896 KB |
Output is correct |
| 10 |
Correct |
19 ms |
1656 KB |
Output is correct |
| 11 |
Correct |
24 ms |
1892 KB |
Output is correct |
| 12 |
Correct |
80 ms |
3516 KB |
Output is correct |
| 13 |
Correct |
85 ms |
4088 KB |
Output is correct |
| 14 |
Correct |
92 ms |
4856 KB |
Output is correct |
| 15 |
Correct |
107 ms |
5052 KB |
Output is correct |
| 16 |
Correct |
117 ms |
5368 KB |
Output is correct |
| 17 |
Correct |
146 ms |
5724 KB |
Output is correct |
| 18 |
Correct |
108 ms |
6028 KB |
Output is correct |
| 19 |
Correct |
119 ms |
6264 KB |
Output is correct |
| 20 |
Correct |
155 ms |
6520 KB |
Output is correct |
