oj.uz

Submission #468188

# Submission time Handle Problem Language Result Execution time Memory
468188 2021-08-27T03:35:38 Z Killer2501 Snowball (JOI21_ho_t2) C++14
100 / 100
 202 ms 22180 KB 
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define task "tests"
#define pll pair<ll, ll>
#define pi pair<ll, pll>
#define fi first
#define se second

using namespace std;
const ll mod = 1e18+7;
const ll N = 2e5+5;
const int base = 313;
ll n, m, t, k, T, ans, tong, d[N], a[N], b[N], h[N], dp[N], cnt, top[N], nchain[N], chain, par[N];
vector<pll> adj[N];
ll pw(ll k, ll n)
{
    ll total = 1;
    for(; n; n >>= 1)
    {
        if(n & 1)total = total * k % mod;
        k = k * k % mod;
    }
    return total;
}

void sol()
{
    cin >> n >> m;
    for(int i = 1; i <= n; i ++)cin >> a[i];
    vector<ll> l, r;
    vector<pll> vl, vr;
    ll mn = 0, mx = 0;
    for(int i = 1; i <= m; i ++)
    {
        cin >> k;
        b[i] = b[i-1] + k;
        mn = max(mn, -b[i]);
        mx = max(mx, b[i]);
        if(vl.empty() || vl.back().fi < mn)
        {
            vl.pb({mn, mx});
            l.pb(mn+mx);
        }
        if(vr.empty() || vr.back().fi < mx)
        {
            vr.pb({mx, mn});
            r.pb(mn+mx);
        }
        //cout << mn <<" "<<mx<<'\n';
    }
    a[0] = -mod ;
    a[n+1] = mod;
    for(int i = 1; i <= n; i ++)
    {
        ans = 0;
        k = lower_bound(r.begin(), r.end(), a[i+1]-a[i]) - r.begin();
        tong = 0;
        if(k < vr.size())tong = max(tong, a[i+1]-a[i]-vr[k].se);
        if(k)tong = max(tong, vr[k-1].fi);
        ans += tong;
        //cout << tong <<" ";
        k = lower_bound(l.begin(), l.end(), a[i]-a[i-1]) - l.begin();
        tong = 0;
        if(k < vl.size())tong = max(tong, a[i]-a[i-1]-vl[k].se);
        if(k)tong = max(tong, vl[k-1].fi);
        //cout << tong <<" ";
        ans += tong;
        cout << ans << '\n';
    }

}
int main()
{
    if(fopen(task".in", "r"))
    {
       freopen(task".in", "r", stdin);
       freopen(task".out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int ntest = 1;
    //cin >> ntest;
    while(ntest -- > 0)
    sol();
}
/*
5 1
0 1 2
0 2 3
1 3 5
2 4 6
1 1
4 3
*/

Compilation message

Main.cpp: In function 'void sol()':
Main.cpp:59:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |         if(k < vr.size())tong = max(tong, a[i+1]-a[i]-vr[k].se);
      |            ~~^~~~~~~~~~~
Main.cpp:65:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |         if(k < vl.size())tong = max(tong, a[i]-a[i-1]-vl[k].se);
      |            ~~^~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:77:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |        freopen(task".in", "r", stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:78:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   78 |        freopen(task".out", "w", stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5068 KB Output is correct
2 Correct 4 ms 5068 KB Output is correct
3 Correct 4 ms 5068 KB Output is correct
4 Correct 6 ms 5164 KB Output is correct
5 Correct 4 ms 5068 KB Output is correct
6 Correct 5 ms 5068 KB Output is correct
7 Correct 4 ms 5068 KB Output is correct
8 Correct 4 ms 5068 KB Output is correct
9 Correct 4 ms 5068 KB Output is correct
10 Correct 4 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 4 ms 5068 KB Output is correct
16 Correct 4 ms 5068 KB Output is correct
17 Correct 4 ms 5068 KB Output is correct
18 Correct 4 ms 4908 KB Output is correct
19 Correct 4 ms 5068 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5068 KB Output is correct
2 Correct 4 ms 5068 KB Output is correct
3 Correct 4 ms 5068 KB Output is correct
4 Correct 6 ms 5164 KB Output is correct
5 Correct 4 ms 5068 KB Output is correct
6 Correct 5 ms 5068 KB Output is correct
7 Correct 4 ms 5068 KB Output is correct
8 Correct 4 ms 5068 KB Output is correct
9 Correct 4 ms 5068 KB Output is correct
10 Correct 4 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 4 ms 5068 KB Output is correct
16 Correct 4 ms 5068 KB Output is correct
17 Correct 4 ms 5068 KB Output is correct
18 Correct 4 ms 4908 KB Output is correct
19 Correct 4 ms 5068 KB Output is correct
20 Correct 44 ms 12820 KB Output is correct
21 Correct 40 ms 12512 KB Output is correct
22 Correct 38 ms 12244 KB Output is correct
23 Correct 37 ms 12192 KB Output is correct
24 Correct 49 ms 12832 KB Output is correct
25 Correct 158 ms 15376 KB Output is correct
26 Correct 181 ms 16020 KB Output is correct
27 Correct 152 ms 15176 KB Output is correct
28 Correct 178 ms 14748 KB Output is correct
29 Correct 141 ms 12160 KB Output is correct
30 Correct 96 ms 8928 KB Output is correct
31 Correct 80 ms 8464 KB Output is correct
32 Correct 72 ms 8500 KB Output is correct
33 Correct 16 ms 5964 KB Output is correct
34 Correct 121 ms 9860 KB Output is correct
35 Correct 119 ms 10128 KB Output is correct
36 Correct 158 ms 15540 KB Output is correct
37 Correct 157 ms 14028 KB Output is correct
38 Correct 202 ms 15264 KB Output is correct
39 Correct 150 ms 14856 KB Output is correct
40 Correct 108 ms 14748 KB Output is correct
41 Correct 45 ms 13272 KB Output is correct
42 Correct 72 ms 11584 KB Output is correct
43 Correct 103 ms 20640 KB Output is correct
44 Correct 44 ms 14860 KB Output is correct
45 Correct 93 ms 18416 KB Output is correct
46 Correct 107 ms 20768 KB Output is correct
47 Correct 101 ms 18016 KB Output is correct
48 Correct 120 ms 22180 KB Output is correct