Submission #1005593

#	Time	Username	Problem	Language	Result	Execution time	Memory
1005593		vjudge1	Snowball (JOI21_ho_t2)	C++17	0 / 100	0 ms	348 KiB

Main

#include <bits/stdc++.h>
using namespace std;
signed main(){
    int n, q;
    cin >> n >> q;
    vector<int> x(n), l(n), r(n);
    vector<int> mi(q+1), ma(q+1);
    for(auto &i: x) cin >> i;
    vector<int> op(q+1);
    for(int i = 1; i <= q; i++){
        cin >> op[i];
    }
    for(int i = 1; i <= q; i++){
        op[i] += op[i - 1];
        mi[i] = mi[i - 1];
        ma[i] = ma[i - 1];
        if(op[i] < op[mi[i]]) mi[i] = i;
        if(op[i] > op[ma[i]]) ma[i] = i;
    }
    l[0] = x[0] + op[mi[q]];
    r[n - 1] = x[n - 1] + op[ma[q]];
    for(int i = 0; i < n - 1; i++){
        int s = -1;
        for(int l = 20; l >= 0; l--){
            int tmp = s+(1 << l);
            if(tmp >= q) continue;
            if((x[i] + op[ma[tmp]] >= x[i + 1] + op[mi[tmp]])) continue;
            s = tmp;
        }
        s++;
        if(x[i] + op[ma[s]] >= x[i + 1] + op[mi[s]]){
            if(ma[s] < mi[s]){
                r[i] = x[i] + op[ma[s]];
                l[i+1] = r[i];
            }
            else{
                l[i + 1] = x[i + 1] + op[mi[s]];
                r[i] = l[i + 1];

            }
        }
        else{
            r[i] = min(x[i + 1] + op[mi[s]], x[i] + op[ma[s]]);
            l[i + 1] = max(x[i + 1] + op[mi[s]], x[i] + op[ma[s]]);
        }
    }
    for(int i = 0; i < n; i++) cout << r[i] - l[i] << "\n";
}

• Subtask 1: 0 / 33
• Subtask 2: 0 / 67