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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
#502796#5159. Justice ServedTimeless123WA 57ms8396kbC++171.7kb2024-08-03 14:28:592024-08-03 14:29:00

Judging History

你现在查看的是最新测评结果

  • [2024-08-03 14:29:00]
  • 评测
  • 测评结果:WA
  • 用时:57ms
  • 内存:8396kb
  • [2024-08-03 14:28:59]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 2e5 + 9;
const int mod = 1e9 + 7;
#define eps 1e-5
#define inf 2e18
int n;
pair<int,int>  p[N];
struct Node
{
    int l,r,id;
    bool operator<(const Node&u)const
    {
        if(r!=u.r) return r>u.r;
        return l<u.l;
    }
}a[N];
int cnt[N];

void solve()
{
    cin>>n;
    for(int i=1;i<=n;++i) 
    {
        int x,y;cin>>x>>y;
        a[i].l=x,a[i].r=x+y,a[i].id=i;
    }

    sort(a+1,a+1+n);
    for(int i=1;i<=n;++i) p[i]={a[i].l,i};
    sort(p+1,p+1+n);


    int maxn=0;
    for(int i=1;i<=n;++i)
    {
        //if(a[i].l >= a[i-1].l && a[i].r <= a[i-1].r) cnt[a[i].id]=max(cnt[a[i].id],cnt[a[i-1].id]+1),maxn=max(maxn,cnt[a[i].id]);
        //else 
        if(a[i].r <= a[i-1].r)
        {
            int l = 1,r = n ,mid=0;
            while(l < r)
            {
                int mid = (l + r) / 2;
                if(p[mid].first > a[i].l) r = mid;
                else l=mid+1;
            }
            int pos = p[l].second;
            if(p[l].first > a[i].l) pos--;
            if( pos >= i) 
                cnt[a[i].id] = max({cnt[a[pos].id] , maxn + 1,cnt[a[i].id]}) , maxn=max(cnt[a[i].id],maxn);
            else
            {
                if(p[pos].first > a[i].l) pos--;
                if(a[pos].r >= a[i].r && pos) cnt[a[i].id]=max(cnt[a[i].id],cnt[pos]+1),maxn=max(cnt[a[i].id],maxn);
            }
        } 
    }
    for(int i=1;i<=n;++i) cout<<cnt[i]<<' ';

}
int main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int _ = 1; // cin>>_;
    while (_--) solve();
    return 0;
} 

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3700kb

input:

4
2 8
1 7
4 5
5 2

output:

0 0 1 2 

result:

ok single line: '0 0 1 2 '

Test #2:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

5
2 4
3 3
2 2
4 2
4 1

output:

0 1 1 2 3 

result:

ok single line: '0 1 1 2 3 '

Test #3:

score: -100
Wrong Answer
time: 57ms
memory: 8396kb

input:

200000
75760147 173015388
62879760 211229046
6728658 106668560
29476341 129401393
30531505 130450085
39792769 139780734
59486082 221617335
12447225 112582555
94207716 117434450
68962063 193352291
13519090 113644734
60611935 218232526
77901558 166662816
40316254 140281744
39094390 138994435
49921965 ...

output:

51094 25786 99792 20383 24330 1 19025 22937 88346 37721 39491 21169 55451 72518 60380 63911 2 24890 1 91630 2 45792 24237 1 51261 55452 93803 50868 12692 94208 65195 15162 71663 33121 92923 20838 81148 1 1958 98835 89779 1 95863 44290 89365 36811 2 1 1 8136 16043 87611 64902 90537 70227 36728 51108 ...

result:

wrong answer 1st lines differ - expected: '51062 25770 5 10 10 12 19010 7...59 9 12 84254 91909 88054 9 7 7', found: '51094 25786 99792 20383 24330 ...4296 91954 88099 2 57328 45193 '