#include<bits/stdc++.h>
using namespace std;
#define N 100005
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
struct A{
int x,y;
}a[N];
int cnt1,cnt2;
long long ans;
bitset<N> vis1,vis2;
vector<int> v1,v2,temp;
int main(){
int n,i,j;
scanf("%d",&n);
for(i=1;i<=2*n;i++)scanf("%d %d",&a[i].x,&a[i].y);
for(i=1;i<=2*n;i++){
if(a[i].y<1)ans+=1-a[i].y,a[i].y=1;
if(a[i].y>2)ans+=a[i].y-2,a[i].y=2;
if(a[i].y==1)cnt1++,v1.push_back(a[i].x);
else cnt2++,v2.push_back(a[i].x);
}
ans+=n-min(cnt1,cnt2);
sort(v1.begin(),v1.end());
sort(v2.begin(),v2.end());
for(i=0;i<cnt1;i++){
if(v1[i]>0)break;
ans+=1-v1[i];
v1[i]=1;
}
for(i=cnt1-1;i>=0;i--){
if(v1[i]<=n)break;
ans+=v1[i]-n;
v1[i]=n;
}
for(i=0;i<cnt2;i++){
if(v2[i]>0)break;
ans+=1-v2[i];
v2[i]=1;
}
for(i=cnt2-1;i>=0;i--){
if(v2[i]<=n)break;
ans+=v2[i]-n;
v2[i]=n;
}
for(i=0;i<cnt1;i++){
if(vis1[v1[i]])temp.push_back(v1[i]);
vis1[v1[i]]=true;
}
for(i=0;i<cnt2;i++){
if(vis2[v2[i]])temp.push_back(v2[i]);
vis2[v2[i]]=true;
}
sort(temp.begin(),temp.end());
for(i=1,j=0;i<=n;i++){
if(!vis1[i])ans+=abs(i-temp[j++]);
if(!vis2[i])ans+=abs(i-temp[j++]);
}
printf("%lld",ans);
return 0;
}
Compilation message
joi2019_ho_t4.cpp: In function 'int main()':
joi2019_ho_t4.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
18 | scanf("%d",&n);
| ~~~~~^~~~~~~~~
joi2019_ho_t4.cpp:19:29: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | for(i=1;i<=2*n;i++)scanf("%d %d",&a[i].x,&a[i].y);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |