QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#140752 | #5159. Justice Served | Anwar_Gehad_Maghraby# | WA | 144ms | 30716kb | C++20 | 2.9kb | 2023-08-16 19:27:30 | 2023-08-16 19:27:31 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
struct node{
int mx;
};
struct seg_tree{
vector<node> values;
int sz = 1;
void init(int n){
while(sz < n) sz *= 2;
values.resize(2 * sz, {-1});
}
node single(int v){
return {v};
}
node merge(node &a, node &b){
return {max(a.mx, b.mx)};
}
node neutral(){
return {-1};
}
void set(int i, int v, int x, int lx, int rx){
if(rx - lx == 1){
node rr = single(v);
values[x] = merge(values[x], rr);
return;
}
int m = (lx + rx) >> 1;
if(i < m)
set(i, v, 2 * x + 1, lx, m);
else
set(i, v, 2 * x + 2, m, rx);
values[x] = merge(values[2 * x + 1], values[2 * x + 2]);
}
void set(int i, int v){
set(i, v, 0, 0, sz);
}
node calc(int l, int r, int x, int lx, int rx){
if(l >= rx || lx >= r) return neutral();
if(lx >= l && rx <= r){
return values[x];
}
int m = (lx + rx) >> 1;
node s1 = calc(l, r, 2 * x + 1, lx, m);
node s2 = calc(l, r, 2 * x + 2, m, rx);
return merge(s1, s2);
}
node calc(int l, int r){
return calc(l, r, 0, 0, sz);
}
};
int main() {
cin.tie(0);cin.sync_with_stdio(0);
cout.tie(0);cout.sync_with_stdio(0);
int n;
cin>>n;
int L[n], R[n];
vector<int> compress;
for(int i = 0 ; i < n; i++){
int Li, ti;
cin>>Li>>ti;
L[i]= Li;
R[i]= Li + ti;
compress.push_back(L[i]);
compress.push_back(R[i]);
}
sort(compress.begin(), compress.end());
compress.erase(unique(compress.begin(), compress.end()), compress.end());
map<int,int> mp;
for(int i = 0; i < compress.size(); i++)
mp[compress[i]]= i + 1;
seg_tree st;
st.init(2 * n + 100);
int I[n];
iota(I, I + n, 0);
sort(I, I + n, [&](int i, int j){
if(L[i] != L[j])
return L[i] < L[j];
return R[i] > R[j];
});
int ans[n];
for(int i : I){
ans[i]= st.calc(R[i], 2 * n + 10).mx + 1;
st.set(R[i], ans[i]);
}
for(int i = 0; i < n; i++){
if(i) cout<<" ";
cout<<ans[i];
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3544kb
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: 1ms
memory: 3484kb
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: 144ms
memory: 30716kb
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:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
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: '0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0'