Submission #1248170

#	Time	Username	Problem	Language	Result	Execution time	Memory
1248170		CrabCNH	Worst Reporter 3 (JOI18_worst_reporter3)	C++20	0 / 100	6 ms	1856 KiB

worst_reporter3

#include <bits/stdc++.h>

#define task     "BriantheCrab"

#define int    long long
#define pii    pair <int, int>
#define fi     first
#define se     second
#define szf    sizeof
#define sz(s)  (int)((s).size())
#define all(v) (v).begin(), (v).end()

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

using namespace std;

template <class T> void minimize (T &t, T f) {if (t > f) t = f;}
template <class T> void maximize (T &t, T f) {if (t < f) t = f;}

const int maxN = 2e5 + 5;
const int inf = 1e18 + 7;
const int mod = 1e9 + 7;

// khong tu code thi khong kha len duoc dau

struct Que {
    int t, l, r;
};

int n, q;
int d[maxN];
Que off[maxN];

namespace sub1 {
    bool check () {
        int cnt = 0;
        for (int i = 1; i <= n; i ++) {
            cnt += (d[i] == 1);
        }
        return (cnt == n);
    }
    
    void sol () {
        for (int i = 1; i <= q; i ++) {
            auto [t, l, r] = off[i];
            int L = - n + t;
            int R = t;
            //cout << L << ' ' << R << ' ' << l << ' ' << r << '\n';
            if (R < l || r < L) {
                cout << 0;
            } 
            else if (R <= r) {
                if (L <= l) {
                    cout << R - l + 1;
                }
                else {
                    cout << R - L + 1;
                }
            }
            else {
                if (L <= l) {
                    cout << r - L + 1;
                }
                else {
                    cout << r - l + 1;
                }
            }
            cout << '\n';
        }
    }
}

void solve () {
    cin >> n >> q;
    for (int i = 1; i <= n; i ++) {
        cin >> d[i];
    }
    for (int i = 1; i <= n; i ++) {
        int t, l, r;
        cin >> t >> l >> r;
        off[i] = {t, l, r};
    }
    if (sub1 :: check ()) {
        sub1 :: sol ();
        return;
    }
    return;
}

signed main () {
    cin.tie (nullptr) -> sync_with_stdio (false);
    if (fopen (task".inp", "r")) {
        freopen (task".inp", "r", stdin);
        freopen (task".out", "w", stdout);
    }
    int t = 1;
    //cin >> t;
    while (t --) {
        solve ();
    } 
    return 0;
}
// thfv

Compilation message (stderr)

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:95:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   95 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
worst_reporter3.cpp:96:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 12
• Subtask 3: 0 / 81