#include<bits/stdc++.h>
using namespace std;
typedef pair<int, int> ii;
typedef long long ll;
typedef vector<ll> vll;
typedef pair<long long, long long> pll;
typedef pair<char, int> ci;
typedef pair<string, int> si;
typedef long double ld;
typedef vector<int> vi;
typedef vector<string> vs;
#define pb push_back
#define fi first
#define se second
#define whole(v) v.begin(), v.end()
#define rwhole(v) v.rbegin(), v.rend()
#define inf INT_MAX/2
#define fro front
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, r; cin >> n >> r;
vector<ii> x(n+1, ii(inf, -1));
for(int i = 0; i < r; ++i){
int a, b; cin >> a >> b;
if(b < a){
swap(a, b);
}
if(b == a+1){
x[a].se = 1;
}else if(b < x[a].fi){
x[a].fi = b;
}
}
vector<int> ans;
for(int i = 1; i <= n; ++i){
int target = x[i].fi;
//cout << target << " " << x[i].se << endl;
if(target - i < 3){
continue;
}
if(x[i].se == -1){
continue;
}
int j = i+1;
ans.pb(i);
while(j != target){
if(x[j].fi <= target){
ans.clear();
break;
}
if(x[j].se == -1){
ans.clear();
break;
}
ans.pb(j);
j++;
}
ans.pb(target);
if(ans.size() >= 4){
break;
}
ans.clear();
}
if(ans.size() < 4){
cout << "no" << endl;
}else{
for(auto e:ans){
cout << e << " ";
}
cout << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Expected integer, but "no" found |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
604 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
604 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
9 ms |
1116 KB |
Expected integer, but "no" found |
2 |
Halted |
0 ms |
0 KB |
- |