Submission #1169998

#	Time	Username	Problem	Language	Result	Execution time	Memory
1169998		vibeduck	Topical (NOI23_topical)	C++20	40 / 100	1093 ms	24012 KiB

Main

#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;

int sub(vi &x, vi &y) {
    // x <= y
    for (int i = 0; i < x.size(); i++) {
        if (x[i] > y[i]) return 0;
    }
    return 1;
}

void add(vi &x, vi &y) {
    for (int i = 0; i < x.size(); i++) x[i] += y[i];
}

inline void solve() {
    int n, k;
    cin >> n >> k;
    vector<pair<vi, vi>> mds(n); vi done(n);
    for (int i = 0; i < n; i++) {
        for (int _ = 0; _ < k; _++) {
            int x; cin >> x;
            mds[i].fi.pb(x);
        }
    }
    for (int i = 0; i < n; i++) {
        for (int _ = 0; _ < k; _++) {
            int x; cin >> x;
            mds[i].se.pb(x);
        }
    }

    vi cur(k);
    for (int _ = 0; _ < n; _++) {
        for (int i = 0; i < n; i++) {
            if (done[i]) continue;
            if (!sub(mds[i].fi, cur)) continue;
            done[i] = 1; add(cur, mds[i].se);
        }
    }
    cout << accumulate(all(done), (int)0) << '\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)

Main.cpp: In function 'void setIO(std::string)':
Main.cpp:74:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:75:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 28 / 28
• Subtask 3: 0 / 21
• Subtask 4: 0 / 39