Submission #893837

#	Time	Username	Problem	Language	Result	Execution time	Memory
893837		hafo	Snowball (JOI21_ho_t2)	C++14	100 / 100	88 ms	14788 KiB

Main

#include <bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define pb push_back
#define pa pair<int, int>
#define pall pair<ll, int>
#define fi first
#define se second
#define TASK "test"
#define Size(x) (int) x.size()
#define all(x) x.begin(), x.end()
using namespace std;

template<typename T1, typename T2> bool mini (T1 &a, T2 b) {if(a > b) a = b; else return 0; return 1;}
template<typename T1, typename T2> bool maxi (T1 &a, T2 b) {if(a < b) a = b; else return 0; return 1;}

const int MOD = 1e9 + 7;
const int LOG = 20;
const int maxn = 2e5 + 7;
const ll oo = 1e18 + 69;

int n, q;
bool ok[maxn][2];
ll x[maxn], w, res[maxn];
vector<pall> val;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    //freopen(TASK".inp", "r", stdin);
    //freopen(TASK".out", "w", stdout);

    cin>>n>>q;
    for(int i = 1; i <= n; i++) cin>>x[i];
    for(int i = 2; i <= n; i++) val.pb({x[i] - x[i - 1], i});

    sort(all(val));
    ll l = 0, r = 0, cnt = 0;
    int i = 0;
    while(q--) {
        cin>>w;
        cnt += w;
        if(cnt > 0) maxi(r, cnt);
        if(cnt < 0) maxi(l, -cnt);

        while(i < Size(val) && val[i].fi <= l + r) {
            int j = val[i].se - 1;
            if(cnt > 0) {
                ok[j][1] = 1;
                ok[j + 1][0] = 1;
                res[j] += val[i].fi - l;
                res[j + 1] += l;
            } else {
                ok[j][1] = 1;
                ok[j + 1][0] = 1;
                res[j] += r;
                res[j + 1] += val[i].fi - r;
            }
            i++;
        }
    }

    for(int i = 1; i <= n; i++) {
        if(!ok[i][0]) res[i] += l;
        if(!ok[i][1]) res[i] += r;
        cout<<res[i]<<"\n";
    }
    return 0;   
}

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