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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#136760 | #238. Distinct Values | ckz# | 100 ✓ | 1347ms | 9284kb | C++20 | 1.7kb | 2023-08-09 10:59:41 | 2023-08-09 10:59:44 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define all(a) (a).begin(), (a).end()
using namespace std;
const int N = 1e5 + 10;
int n, m;
int seg[N], mi[N], a[N];
multiset<int> st;
void solve(){
st.clear();
cin >> n >> m;
for(int i = 1 ; i <= n + 5; i ++) {
mi[i] = 1e9;
seg[i] = 1e9;
}
for(int i = 1 ; i <= m ; i ++) {
int l, r;
cin >> l >> r;
seg[r] = min(seg[r], l);
}
for(int i = n ; i >= 1; i --) mi[i] = min(seg[i], mi[i + 1]);
int now = 0;
st.insert(0);
int ls = 0;
for(int i = 1; i <= n ; i ++){
int L = mi[i];
int R = i - 1;
// cout << L << " " << R << "\n";
if(L > R) {
a[i] = 1;
}else{
// cout << i << " " << now << " " << L << "\n";
while(now < L){
st.erase(st.find(a[now]));
now ++;
}
// cout << i << " " << st.size() << "\n";
if(L == ls){
for(int res = a[i - 1]; ; res ++){
if(!st.count(res)){
a[i] = res;
break;
}
}
}else{
for(int res = 1; ; res ++){
if(!st.count(res)){
a[i] = res;
break;
}
}
}
}
ls = L;
st.insert(a[i]);
}
for(int i = 1; i <= n ; i ++) cout << a[i] << " ";
cout << "\n";
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(nullptr);
int t = 1;
cin >> t;
while(t--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1347ms
memory: 9284kb
input:
11116 10 2 5 5 5 6 10 1 7 10 10 1 2 6 10 1 2 5 10 1 6 7 10 2 8 9 7 10 10 2 1 4 6 10 10 4 8 8 10 10 3 6 1 5 10 3 8 8 10 10 8 10 10 4 6 10 1 5 2 6 1 2 10 3 4 4 4 8 4 8 10 4 1 5 1 2 5 5 2 4 10 4 2 5 9 10 6 7 2 4 10 1 5 6 10 4 10 10 8 10 2 5 10 10 10 1 1 2 10 4 7 8 5 6 7 9 10 10 10 4 3 7 6 6 8 10 3 4 10...
output:
1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 3 4 1 1 2 3 4 5 1 1 1 1 1 1 2 3 4 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 2 3 4 1 2 3 4 1 1 2 3 4 5 1 2 3 4 5 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 1 2 3 4 5 1 2 3 4 5 1 1 1 1 2 3 4 5 1 1 1 2 3 4 5 1 1 1 1 1 1 1 2 3 4 1 2 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 2 ...
result:
ok 11116 lines