# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
861585 | guagua0407 | Two Dishes (JOI19_dishes) | C++17 | 144 ms | 98268 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
const int mxn=1e6+5;
ll a[mxn],S[mxn],Q[mxn];
ll b[mxn],T[mxn],P[mxn];
int pa[mxn],pb[mxn];
ll w[mxn],v[mxn];
vector<int> qa[mxn],qb[mxn];
int n,m;
int main() {_
cin>>n>>m;
for(int i=1;i<=n;i++){
cin>>a[i]>>S[i]>>P[i];
a[i]+=a[i-1];
}
for(int i=1;i<=m;i++){
cin>>b[i]>>T[i]>>Q[i];
b[i]+=b[i-1];
}
for(int i=1;i<=n;i++){
int pos=upper_bound(b,b+m+1,S[i]-a[i])-b-1;
pa[i]=pos;
if(pos>=0) qa[pos].push_back(i);
}
for(int i=1;i<=m;i++){
int pos=upper_bound(a,a+n+1,T[i]-b[i])-a-1;
pb[i]=pos;
if(pos>=0) qb[pos].push_back(i);
}
for(auto v:qb[0]){
w[v]+=Q[v];
if(w[v]<0){
w[v+1]=max(w[v+1]+w[v],0ll);
w[v]=0;
}
}
for(int i=1;i<=n;i++){
if(pa[i]>=0){
w[0]+=P[i];
w[pa[i]+1]-=P[i];
if(w[pa[i]+1]<0){
w[pa[i]+2]=max(w[pa[i]+2]+w[pa[i]+1],0ll);
w[pa[i]+1]=0;
}
}
for(auto v:qb[i]){
w[v]+=Q[v];
if(w[v]<0){
w[v+1]=max(w[v+1]+w[v],0ll);
w[v]=0;
}
}
}
for(int i=1;i<=m;i++){
w[i]+=w[i-1];
}
cout<<w[m]<<'\n';
return 0;
}
//maybe its multiset not set
Compilation message (stderr)
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