oj.uz

답안 #862204

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
862204 2023-10-17T17:15:03 Z yeediot Two Dishes (JOI19_dishes) C++14
0 / 100
 210 ms 111976 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
//Don't open the standings during contests.
const int mxn=1e6+5;
vector<int>a(mxn),s(mxn),p(mxn),b(mxn),t(mxn),q(mxn);
int pre[mxn],pre2[mxn];
vector<pii>pt[mxn];
int dif[mxn];
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        cin>>a[i]>>s[i]>>p[i];
        pre[i]=pre[i-1]+a[i];
    }
    for(int i=1;i<=m;i++){
        cin>>b[i]>>t[i]>>q[i];
        pre2[i]=pre2[i-1]+b[i];
    }
    int ans=0;
    for(int i=1;i<=n;i++){
        int x=upper_bound(pre2+1,pre2+m+1,s[i]-pre[i])-pre2;
        ans+=p[i];
        if(x<=m)pt[i].pb({x,-p[i]});
    }
    for(int j=1;j<=m;j++){
        int y=upper_bound(pre+1,pre+n+1,t[j]-pre2[j])-pre;
        pt[y].pb({j,q[j]});
    }
    set<int>st;
    for(int i=0;i<=n;i++){
        sort(all(pt[i]));
        for(auto [x,y]:pt[i]){
            if(st.find(x)==st.end()){
                st.insert(x);
                dif[x]=0;
            }
            dif[x]+=y;
        }
        for(auto [x,fuck]:pt[i]){
            //維護前綴max所以把dif<0的都刪掉
            auto it=st.find(x);
            while(it!=st.end() and dif[*it]<0){
                int temp=dif[*it];
                it=st.erase(it);
                if(it!=st.end())dif[*it]+=temp;
            }
        }
    }
    for(auto i:st)ans+=dif[i];
    cout<<ans<<'\n';
}
 /*
 input:
  2 3 6
  2 1 3
  2 2 2
 */

Compilation message

dishes.cpp: In function 'int main()':
dishes.cpp:47:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   47 |         for(auto [x,y]:pt[i]){
      |                  ^
dishes.cpp:54:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   54 |         for(auto [x,fuck]:pt[i]){
      |                  ^

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 210 ms 111976 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 74072 KB Output is correct
2 Incorrect 14 ms 74076 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 74072 KB Output is correct
2 Incorrect 14 ms 74076 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 74072 KB Output is correct
2 Incorrect 14 ms 74076 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 74072 KB Output is correct
2 Incorrect 14 ms 74076 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 74072 KB Output is correct
2 Incorrect 14 ms 74076 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 210 ms 111976 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 210 ms 111976 KB Output isn't correct
2 Halted 0 ms 0 KB -