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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#66113#5159. Justice Servedfeeder1#RE 3ms5484kbC++141.2kb2022-12-06 22:24:332022-12-06 22:24:36

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-12-06 22:24:36]
  • 评测
  • 测评结果:RE
  • 用时:3ms
  • 内存:5484kb
  • [2022-12-06 22:24:33]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

int a[200001], b[200001], ans[200001];
map<int, int> unimp;
int seg[400001], N;
void update(int x, int v) {
 for(seg[x+=N]=v; x>1; x>>=1) seg[x/2] = max(seg[x], seg[x^1]);
}
int query(int x, int y) {
 int ret = -1;
 for (x+=N, y+=N+1; x<y; x>>=1, y>>=1) {
  if (x & 1) ret = max(ret, seg[x++]);
  if (y & 1) ret = max(ret, seg[--y]);
 }
 return ret;
}
int main() {
 ios::sync_with_stdio(0);
 cin.tie(0);
 int n;
 vector<int> uni;
 cin >> n;
 for (int i=0; i<n; i++) {
  cin >> a[i] >> b[i];
  b[i] += a[i];
  uni.push_back(a[i]);
  uni.push_back(b[i]);
 }
 sort(uni.begin(), uni.end());
 int ucnt = 0;
 for (int i=0; i<uni.size(); i++) {
  if (i && uni[i] != uni[i-1]) ucnt++;
  unimp[uni[i]] = ucnt;
 }
 N = ucnt + 1;
 vector<tuple<int,int,int>> vec;
 for (int i=0; i<n; i++) {
  a[i] = unimp[a[i]];
  b[i] = unimp[b[i]];
  vec.push_back({a[i], -b[i], i});
 }
 sort(vec.begin(), vec.end());
 for (int i=0; i<=N*2; i++) seg[i] = -1;
 for (int i=0; i<n; i++) {
  auto [s, e, ind] = vec[i];
  e = -e;
  ans[ind] = query(e, N - 1) + 1;
  update(e, ans[ind]);
 }
 for (int i=0; i<n; i++) cout << ans[i] << ' ';
}

Details

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Test #1:

score: 100
Accepted
time: 3ms
memory: 5484kb

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: 5396kb

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
Runtime Error

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:

51062 25770 5 10 10 12 19010 7 88301 37698 7 21153 55418 12 11 11 10 24874 11 7 8 45763 24219 12 9 55419 8 4 12678 12 65162 11 1 33102 12 20822 81107 8 1958 98787 89734 10 95816 44261 89321 10 7 12 4 8126 16028 8 8 90492 70192 36706 8 10 46831 39832 38636 9 53669 7 12 4 12 12 10 83777 15930 8 4 8 46...

result: