Submission #1866503
Source Code Expand
#include <cstdio>
#include <algorithm>
#define N 100005
using namespace std;
int n, ans, pr[N];
struct st{int w, x, y;} a[N], b[N], c[N*2];
bool cmp(st p, st q) {return p.w<q.w;}
int f(int p) {return pr[p]==p ? p : pr[p]=f(pr[p]);}
int main() {
int i, x, y;
scanf("%d", &n);
for(i=1; i<=n; i++) {
scanf("%d%d", &a[i].w, &b[i].w);
a[i].x = b[i].x = pr[i] = i;
}
sort(a+1, a+n+1, cmp);
sort(b+1, b+n+1, cmp);
for(i=1; i<n; i++) {
c[i] = {a[i+1].w-a[i].w, a[i].x, a[i+1].x};
c[i+n-1] = {b[i+1].w-b[i].w, b[i].x, b[i+1].x};
}
sort(c+1, c+2*n-1, cmp);
for(i=1; i<2*n-1; i++) {
x = f(c[i].x), y = f(c[i].y);
if(x!=y) ans += c[i].w, pr[y] = x;
}
printf("%d", ans);
return 0;
}
Submission Info
Submission Time |
|
Task |
D - Built? |
User |
t1234 |
Language |
C++14 (GCC 5.4.1) |
Score |
500 |
Code Size |
724 Byte |
Status |
AC |
Exec Time |
67 ms |
Memory |
5248 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:12:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
^
./Main.cpp:14:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &a[i].w, &b[i].w);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
500 / 500 |
Status |
|
|
Set Name |
Test Cases |
Sample |
s1.txt, s2.txt |
All |
01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, s1.txt, s2.txt |
Case Name |
Status |
Exec Time |
Memory |
01.txt |
AC |
67 ms |
5248 KB |
02.txt |
AC |
67 ms |
5248 KB |
03.txt |
AC |
67 ms |
5248 KB |
04.txt |
AC |
67 ms |
5248 KB |
05.txt |
AC |
67 ms |
5248 KB |
06.txt |
AC |
67 ms |
5248 KB |
07.txt |
AC |
66 ms |
5248 KB |
08.txt |
AC |
66 ms |
5248 KB |
09.txt |
AC |
65 ms |
5248 KB |
10.txt |
AC |
63 ms |
5248 KB |
11.txt |
AC |
64 ms |
5248 KB |
12.txt |
AC |
64 ms |
5248 KB |
13.txt |
AC |
47 ms |
5248 KB |
14.txt |
AC |
47 ms |
5248 KB |
15.txt |
AC |
46 ms |
5248 KB |
16.txt |
AC |
48 ms |
5248 KB |
17.txt |
AC |
50 ms |
5248 KB |
18.txt |
AC |
49 ms |
5248 KB |
19.txt |
AC |
47 ms |
5248 KB |
20.txt |
AC |
48 ms |
5248 KB |
21.txt |
AC |
47 ms |
5248 KB |
22.txt |
AC |
49 ms |
5248 KB |
23.txt |
AC |
30 ms |
5248 KB |
24.txt |
AC |
40 ms |
5248 KB |
25.txt |
AC |
1 ms |
2176 KB |
26.txt |
AC |
1 ms |
2176 KB |
s1.txt |
AC |
1 ms |
2176 KB |
s2.txt |
AC |
1 ms |
2176 KB |