Submission #1167801

#	Time	Username	Problem	Language	Result	Execution time	Memory
1167801		vibeduck	Solar Storm (NOI20_solarstorm)	C++20	8 / 100	110 ms	39508 KiB

SolarStorm

#include <bits/stdc++.h> 
using namespace std;

#define pb push_back
#define pf push_front
#define mp make_pair
#define fi first
#define se second
#define int long long
#define all(x) (x).begin(), (x).end()

typedef long double ld;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<vector<bool>> vvb;
typedef vector<vector<ll>> vvll;
typedef vector<string> vs;
typedef vector<vector<string>> vvs;
typedef vector<char> vc;
typedef vector<vector<char>> vvc;
typedef map<int, int> mii;
typedef unordered_map<int, int> umii;

const int mod = 1e9 + 7;
const int inf = INTMAX_MAX;
const bool tc = false;

const int mxn = 1e6 + 5;
int d[mxn], p[mxn], v[mxn], vp[mxn];

int sv(int l, int r) {
    return vp[r + 1] - vp[l];
}

inline void solve() {
    int n, s, k;
    cin >> n >> s >> k;
    for (int i = 0; i < n - 1; i++) cin >> d[i];
    for (int i = 1; i < n; i++) p[i] = p[i - 1] + d[i - 1];
    for (int i = 0; i < n; i++) cin >> v[i];
    for (int i = 1; i <= n; i++) vp[i] = vp[i - 1] + v[i - 1];
    
    // k = 1
    pii ans = {-1e18, 0}; // {ben, id}
    for (int t = s - 1; t < n; t++) {
        ans = max(ans, {sv(t - s + 1, t), t});
    }

    vi l; for (int i = 0; i < s; i++) l.pb(ans.se-i);
    reverse(all(l));

    cout << l.size() << '\n';
    for (auto &x : l) cout << x + 1 << " ";
    cout << '\n';
}

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

signed main() {
    ios::sync_with_stdio(false);
    cout.tie(0);
    cin.tie(0);
    //setIO();

    int t = 1;
    if (tc) {
        cin >> t;
    }

    while (t--) {
        solve();
    }
}

Compilation message (stderr)

SolarStorm.cpp: In function 'void setIO(std::string)':
SolarStorm.cpp:63:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SolarStorm.cpp:64:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 7
• Subtask 3: 0 / 11
• Subtask 4: 8 / 8
• Subtask 5: 0 / 18
• Subtask 6: 0 / 16
• Subtask 7: 0 / 30