Submission #1123319

#	Time	Username	Problem	Language	Result	Execution time	Memory
1123319		Neco_arc	Advertisement 2 (JOI23_ho_t2)	C++17	Compilation error	0 ms	0 KiB

Main

#ifndef DEBUG
    ios::sync_with_stdio(0), cin.tie(0);
#endif
    cin >> n;
    REP (i, 0, n) {
        cin >> xe[i].FI >> xe[i].SE;
    }
    sort(xe, xe + n);
    REP (i, 0, n) {
        ord.pb({xe[i].SE, i});
    }
    int prv = -1, ptr = 0;
    REP (i, 0, n) {
        if (xe[i].FI != prv) {
            prv = xe[i].FI;
            ptr++;
        }
        inv[ptr] = xe[i].FI;
        xe[i].FI = ptr;
    }
    sort(ALL(ord), greater<ii>());
    REP (i, 0, 4 * MAXN) {
        add[i] = sub[i] = -INF;
    }
    for (auto [_, i] : ord) {
        auto [x, e] = xe[i];
        cerr << x << ' ' << e << ' ' << inv[x] << '\n';
        cerr << " ? " << e - inv[x] << ' ' << e + inv[x] << '\n';
        int sub = qsub(x, n);
        cerr << ' ' << sub << '\n';
        if (sub >= e - inv[x]) {
            continue;
        }
        int add = qadd(1, x);
        cerr << ' ' << add << '\n';
        if (add >= e + inv[x]) {
            continue;
        }
        cerr << " ! " << x << ' ' << e - inv[x] << ' ' << e + inv[x] << '\n';
        upd(x, e - inv[x], e + inv[x]);
        ans++;
    }
    cout << ans << '\n';
    return 0;
}

Compilation message (stderr)

Main.cpp:3:5: error: 'ios' does not name a type
    3 |     ios::sync_with_stdio(0), cin.tie(0);
      |     ^~~
Main.cpp:5:5: error: 'cin' does not name a type
    5 |     cin >> n;
      |     ^~~
Main.cpp:6:9: error: expected constructor, destructor, or type conversion before '(' token
    6 |     REP (i, 0, n) {
      |         ^
Main.cpp:9:9: error: expected constructor, destructor, or type conversion before '(' token
    9 |     sort(xe, xe + n);
      |         ^
Main.cpp:10:9: error: expected constructor, destructor, or type conversion before '(' token
   10 |     REP (i, 0, n) {
      |         ^
Main.cpp:14:9: error: expected constructor, destructor, or type conversion before '(' token
   14 |     REP (i, 0, n) {
      |         ^
Main.cpp:22:9: error: expected constructor, destructor, or type conversion before '(' token
   22 |     sort(ALL(ord), greater<ii>());
      |         ^
Main.cpp:23:9: error: expected constructor, destructor, or type conversion before '(' token
   23 |     REP (i, 0, 4 * MAXN) {
      |         ^
Main.cpp:26:5: error: expected unqualified-id before 'for'
   26 |     for (auto [_, i] : ord) {
      |     ^~~
Main.cpp:44:5: error: 'cout' does not name a type
   44 |     cout << ans << '\n';
      |     ^~~~
Main.cpp:45:5: error: expected unqualified-id before 'return'
   45 |     return 0;
      |     ^~~~~~
Main.cpp:46:1: error: expected declaration before '}' token
   46 | }
      | ^