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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#549521 | #9221. Missing Boundaries | lntano# | WA | 77ms | 11424kb | C++20 | 2.0kb | 2024-09-06 16:52:32 | 2024-09-06 16:52:33 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
void solve(){
int n,maxn;
cin>>n>>maxn;
vector<pair<int,int>> no;
vector<int> L,R;
set<int> al,ar;
int cnt=0,k=n;
for(int i=1;i<=n;i++){
int l,r;
cin>>l>>r;
if(l!=-1&&r!=-1){
no.push_back({l,r});
k--;
}
else if(l!=-1){
al.insert(l);
}
else if(r!=-1){
ar.insert(r);
}else cnt++,k--;
}
if(al.size()+ar.size()!=k){
cout<<"NIE\n";
return;
}
sort(no.begin(),no.end());
int len=no.size();
for(int i=1;i<len;i++){
if(no[i].first<=no[i-1].second){
cout<<"NIE\n";
return;
}
}
int l=1,r;
for(int i=0;i<len;i++){
r=no[i].first-1;
if(l<=r){
L.push_back(l);
R.push_back(r);
}
l=no[i].second+1;
}
r=maxn;
if(l<=r){
L.push_back(l);
R.push_back(r);
}
int m=L.size();
vector<pair<int,int>> b(m);
vector<int> count(m);
// for(int i=0;i<m;i++){
// cout<<L[i]<<" "<<R[i]<<'\n';
// }
// cout<<'\n';
for(int i=0;i<m;i++){
b[i].first=1e9;
b[i].second=0;
}
for(auto x:al){
auto it=lower_bound(R.begin(),R.end(),x);
if(it==R.end()){
cout<<"NIE\n";
return;
}
int p=it-R.begin();
if(x<L[p]){
cout<<"NIE\n";
return;
}
b[p].first=min(b[p].first,x);
count[p]++;
}
for(auto x:ar){
auto it=lower_bound(R.begin(),R.end(),x);
if(it==R.end()){
cout<<"NIE\n";
return;
}
int p=it-R.begin();
if(x<L[p]){
cout<<"NIE\n";
return;
}
b[p].second=max(b[p].second,x);
count[p]++;
}
int sum=0,num=0;
for(int i=0;i<m;i++){
sum+=R[i]-L[i]+1-count[i];
if(b[i].first>b[i].second) num++;
// cout<<b[i].first<<" "<<b[i].second<<'\n';
}
// cout<<'\n';
// cout<<cnt<<" "<<num<<" "<<sum<<'\n';
if(num<=cnt&&cnt<=sum){
cout<<"TAK\n";
}else cout<<"NIE\n";
}
int main(){
ios::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr);
int t=1;
cin>>t;
while(t--) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3784kb
input:
3 4 51 1 -1 11 50 -1 -1 -1 10 3 2 -1 -1 -1 -1 -1 -1 2 3 1 2 2 3
output:
TAK NIE NIE
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 77ms
memory: 11424kb
input:
1 200000 1000000000 490669427 -1 224278942 224287156 821104480 -1 861696576 861702036 807438935 807440055 574078002 574083717 465630141 -1 195378188 -1 -1 13500961 -1 977536179 92893115 -1 -1 661145418 -1 215804863 -1 685338515 544348999 -1 465532902 -1 130346949 -1 -1 526666304 635604584 635605404 ...
output:
NIE
result:
wrong answer 1st lines differ - expected: 'TAK', found: 'NIE'