#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define eb emplace_back
#define vl vector<ll>
#define fi first
#define se second
#define in insert
#define mpr make_pair
#define lg(x) __lg(x)
#define bpc(x) __builtin_popcount(x)
#define all(v) v.begin(), v.end()
#define endl "\n"
using namespace std;
//const int sz = 3e5+5;
const int mod = 998244353;
const ll inf = 1000000000000000;
bool inran(ll x, ll l, ll r){
return x <= r && x >= l;
}
struct Segtree{
ll sz;
vl st, res;
void init(ll n){
sz = 1;
while(sz < n){
sz <<= 1;
}
res.resize(n+1);
st.assign(sz<<1, 0);
//lazy.assign(sz<<1, 0);
}
void push(ll v, ll tl, ll tr){
if(tl == tr || (!st[v])){return ;}
ll tm = (tl + tr)>>1;
st[v*2] = max(st[v*2], st[v]);
st[v*2+1] = max(st[v*2+1], st[v] + tm - tl + 1);
st[v] = 0;
}
void update(ll v, ll tl, ll tr, ll l, ll r, ll val){
if(tl > r || tr < l){return ;}
if(tl >= l && tr <= r){
ll nl = val + tl - l;
st[v] = max(st[v], nl);
if(st[v]){
//cout << tl << ' ' << tr << ' ' << st[v] << endl;
}
return ;
}
push(v, tl, tr);
ll tm = (tl + tr)>>1;
update(v*2, tl, tm, l, r, val);
update(v*2+1, tm+1, tr, l, r, val);
}
void trav(ll v, ll l, ll r){
if(l == r){
res[l] = st[v];
return ;
}
push(v, l, r);
ll m = (l + r)>>1;
trav(v*2, l, m);
trav(v*2+1, m+1, r);
}
void print(ll n){
ll i;
for(i=1;i<=n;i++){
cout << res[i] << ' ';
}cout << endl;
return ;
}
};
void solve()
{
Segtree st;
ll n, m, i, j;
cin>>n>>m;
st.init(n);
vl l(n), r(n), x(n);
for(i=0;i<m;i++){
cin>>l[i]>>r[i]>>x[i];
st.update(1, 1, n, l[i], r[i], x[i]);
}
st.trav(1, 1, n);
st.print(n);
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
//precomp();
ll tst=1;
//cin>>tst;
while(tst--){
solve();
}
}
/*
4
6
5 4 3 2 1 0
3
2 1 0
8
2 3 6 7 0 1 4 5
1
0
*/
Compilation message
trading.cpp: In function 'void solve()':
trading.cpp:76:17: warning: unused variable 'j' [-Wunused-variable]
76 | ll n, m, i, j;
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
| 4 |
Halted |
0 ms |
0 KB |
- |
