#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ii pair<int,int>
#define fi first
#define se second
#define endl '\n'
#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound
#define rep(x,s,e) for (int x=(s)-((s)>(e));x!=(e)-((s)>(e));((s)<(e)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int INF=1e18;
int n,m;
int arr[2][1000005];
int brr[2][1000005];
int crr[2][1000005];
int drr[2][1000005];
struct node{
int s,e,m;
int val=0; //stores the max value
int lazy=0;
bool lazyt=false; //false = increment, true = set
node *l,*r;
node (int _s,int _e){
s=_s,e=_e,m=s+e>>1;
if (s!=e){
l=new node(s,m);
r=new node(m+1,e);
}
}
void propo(){
if (lazyt){
val=lazy;
if (s!=e){
l->lazy=r->lazy=lazy;
l->lazyt=r->lazyt=true;
}
}
else if (lazy){
val+=lazy;
if (s!=e){
l->lazy+=lazy;
r->lazy+=lazy;
}
}
lazy=0;
lazyt=false;
}
void update1(int i,int j,int k){
propo();
if (s==i && e==j) lazy+=k;
else{
if (j<=m) l->update1(i,j,k);
else if (m<i) r->update1(i,j,k);
else l->update1(i,m,k),r->update1(m+1,j,k);
l->propo(),r->propo();
val=max(l->val,r->val);
}
}
void update2(int i,int j,int k){
propo();
if (s==i && e==j){
lazy=k;
lazyt=true;
}
else{
if (j<=m) l->update2(i,j,k);
else if (m<i) r->update2(i,j,k);
else l->update2(i,m,k),r->update2(m+1,j,k);
l->propo(),r->propo();
val=max(l->val,r->val);
}
}
int query(int i){
propo();
if (s==e) return val;
else if (i<=m) return l->query(i);
else return r->query(i);
}
} *root=new node(0,1000005);
signed main(){
cin.tie(0);
cout.tie(0);
cin.sync_with_stdio(false);
cin>>n>>m;
rep(x,1,n+1) cin>>arr[0][x]>>brr[0][x]>>crr[0][x];
rep(x,1,m+1) cin>>arr[1][x]>>brr[1][x]>>crr[1][x];
rep(x,1,n+1) arr[0][x]+=arr[0][x-1];
rep(x,1,m+1) arr[1][x]+=arr[1][x-1];
rep(x,1,n+1) drr[0][x]=ub(arr[1],arr[1]+m+1,brr[0][x]-arr[0][x])-arr[1];
rep(x,1,m+1) drr[1][x]=ub(arr[0],arr[0]+n+1,brr[1][x]-arr[1][x])-arr[0];
//rep(x,1,n+1) cout<<drr[0][x]<<" "; cout<<endl;
//rep(x,1,m+1) cout<<drr[1][x]<<" "; cout<<endl;
vector<int> idx;
rep(x,1,m+1) if (drr[1][x]) idx.pub(x);
sort(all(idx),[](int i,int j){
return drr[1][i]>drr[1][j];
});
rep(x,1,n+1){
if (drr[0][x]){
root->update1(0,drr[0][x]-1,crr[0][x]);
int val=root->query(drr[0][x]-1);
int lo=drr[0][x]-1,hi=1000006,mi;
while (hi-lo>1){
mi=hi+lo>>1;
if (val<=root->query(mi)) hi=mi;
else lo=mi;
}
if (lo!=drr[0][x]-1) root->update2(drr[0][x],lo,val);
}
while (!idx.empty() && drr[1][idx.back()]==x){
int u=idx.back(); idx.pob();
root->update1(u,1000005,crr[1][u]);
}
//rep(x,0,m+1) cout<<root->query(x)<<" "; cout<<endl;
}
cout<<root->val<<endl;
}
Compilation message
dishes.cpp: In constructor 'node::node(long long int, long long int)':
dishes.cpp:39:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
39 | s=_s,e=_e,m=s+e>>1;
| ~^~
dishes.cpp: In function 'int main()':
dishes.cpp:138:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
138 | mi=hi+lo>>1;
| ~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
883 ms |
171608 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
106 ms |
156916 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
106 ms |
156916 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
106 ms |
156916 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
106 ms |
156916 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
106 ms |
156916 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
883 ms |
171608 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
883 ms |
171608 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
