#include<stdio.h>
#include<algorithm>
using namespace std;
int dap,sum,t=1,w,n,tree[300010],cnt[300010],d[200010],d2[200010];
struct data
{
int x1,y1,x2,y2;
bool operator<(const data&r)const{
return y1<r.y1;
}
}a[100010];
struct data2
{
int x,p;
bool operator<(const data2&r)const{
return x<r.x;
}
}arr[200010];
void ins(int x,int gap,int i)
{
int p=x+t-1;
while(p>0)
{
if(tree[p]==gap) cnt[p]+=d2[i];
if(tree[p]<gap) cnt[p]=d2[i];
tree[p]=max(tree[p],gap);
p/=2;
}
}
int query(int a,int b,int x,int y,int k)
{
if(a<=x && y<=b) return tree[k];
if(a>y || x>b) return 0;
return max(query(a,b,x,(x+y)/2,k*2),query(a,b,(x+y)/2+1,y,k*2+1));
}
int query2(int a,int b,int x,int y,int k)
{
int s1,s2;
if(a<=x && y<=b) return cnt[k];
if(a>y || x>b) return 0;
s1=query(a,b,x,(x+y)/2,k*2); s2=query(a,b,(x+y)/2+1,y,k*2+1);
if(s1==s2) return query2(a,b,x,(x+y)/2,k*2)+query2(a,b,(x+y)/2+1,y,k*2+1);
else if(s1>s2) return query2(a,b,x,(x+y)/2,k*2);
else return query2(a,b,(x+y)/2+1,y,k*2+1);
}
int main()
{
int i,j,p=1;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%d %d %d %d",&a[i].x1,&a[i].y1,&a[i].x2,&a[i].y2);
w++; arr[w].x=a[i].x2; arr[w].p=i*2; w++; arr[w].x=a[i].y2; arr[w].p=i*2+1;
}
sort(arr+1,arr+w+1);
for(i=1;i<=w;i++)
{
if(arr[i].p%2==0) a[arr[i].p/2].x2=i;
else a[arr[i].p/2].y2=i;
}
sort(a+1,a+n+1);
for(i=1;;i++){if(t>=w) break; t*=2;}
for(i=1;i<=n;i++)
{
for(j=p;j<=n;j++)
{
if(a[i].x1<a[j].y1) break;
ins(a[j].y2,d[j],j);
}
p=j;
d[i]=query(1,a[i].x2-1,1,t,1)+1;
d2[i]=query2(1,a[i].x2-1,1,t,1);
if(d[i]==1) d2[i]=1;
}
for(i=1;i<=n;i++)
{
if(dap==d[i]) sum+=d2[i];
if(dap<d[i])
{
dap=d[i];
sum=d2[i];
}
}
printf("%d %d",dap,sum);
return 0;
}
Compilation message
trapezoid.cpp: In function 'int main()':
trapezoid.cpp:49:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
^
trapezoid.cpp:52:65: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d %d",&a[i].x1,&a[i].y1,&a[i].x2,&a[i].y2);
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
8152 KB |
Output is correct |
| 2 |
Correct |
0 ms |
8152 KB |
Output is correct |
| 3 |
Incorrect |
0 ms |
8152 KB |
Output isn't correct |
| 4 |
Partially correct |
0 ms |
8152 KB |
Partially correct |
| 5 |
Incorrect |
3 ms |
8152 KB |
Output isn't correct |
| 6 |
Incorrect |
3 ms |
8152 KB |
Output isn't correct |
| 7 |
Partially correct |
3 ms |
8152 KB |
Partially correct |
| 8 |
Incorrect |
6 ms |
8152 KB |
Output isn't correct |
| 9 |
Incorrect |
16 ms |
8152 KB |
Output isn't correct |
| 10 |
Partially correct |
36 ms |
8152 KB |
Partially correct |
| 11 |
Incorrect |
49 ms |
8152 KB |
Output isn't correct |
| 12 |
Incorrect |
109 ms |
8152 KB |
Output isn't correct |
| 13 |
Incorrect |
146 ms |
8152 KB |
Output isn't correct |
| 14 |
Runtime error |
63 ms |
8152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 15 |
Runtime error |
63 ms |
8152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 16 |
Runtime error |
59 ms |
8152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 17 |
Runtime error |
69 ms |
8152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 18 |
Runtime error |
93 ms |
8152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 19 |
Runtime error |
79 ms |
8152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 20 |
Runtime error |
73 ms |
8152 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
