# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
569428 | 79brue | Teleporters (IOI08_teleporters) | C++17 | 865 ms | 25832 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n, k, len;
int nxt[2000002];
bool visited[2000002];
int l[1000002], r[1000002];
vector<int> vec;
int base;
int main(){
scanf("%d %d", &n, &k);
for(int i=1; i<=n; i++){
scanf("%d %d", &l[i], &r[i]);
vec.push_back(l[i]), vec.push_back(r[i]);
}
sort(vec.begin(), vec.end());
len = n*2;
for(int i=0; i<len; i++) nxt[i] = i+1;
for(int i=1; i<=n; i++){
l[i] = lower_bound(vec.begin(), vec.end(), l[i]) - vec.begin() + 1;
r[i] = lower_bound(vec.begin(), vec.end(), r[i]) - vec.begin() + 1;
nxt[l[i]-1] = r[i];
nxt[r[i]-1] = l[i];
}
nxt[len] = 0;
vec.clear();
Compilation message (stderr)
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