Submission #1248605

#	Time	Username	Problem	Language	Result	Execution time	Memory
1248605		shirokito	Snail (NOI18_snail)	C++20	Compilation error	0 ms	0 KiB

snail

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

using ll = int64_t;

const int N = 1e5 + 24;
const ll INF = 1e18;

ll n, h, a[N], pf[N];

void solve() {
    cin >> h >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        pf[i] = pf[i - 1] + a[i];
    }

    ll mn = INF, s = 0;
    for (int i = 1; i <= n; i++) {
        mn = min(mn, pf[i]);
        s = max(0LL, s + a[i]);
        if (s >= h) {
            cout << 0 << ' ' << i - 1 << '\n';
            return;
        }
    }

    if (s + mn <= 0) {
        cout << -1 << ' ' << -1 << '\n';
        return;
    }

    pair<ll, ll> ans = {INF, INF};

    for (int i = 1; i <= n; i++) {
        if (pf[i] <= 0) continue;
        if (s + pf[i] >= h) {
            ans = min(ans, {1, i - 1});
        }
        else if (pf[n] > 0) {
            ll k = (h - s - pf[i] + pf[n] - 1) / pf[n];
            ans = min(ans, {k + 1, i - 1});
        }
    }

    if (ans.first == INF) ans = {-1, -1};

    cout << ans.first << ' ' << ans.second << '\n';
}   

int main() {
    cin.tie(0) -> sync_with_stdio(0);

    int T = 1; // cin >> T;
    while (T--) {
        solve();
    }
}

Compilation message (stderr)

snail.cpp: In function 'void solve()':
snail.cpp:21:16: error: no matching function for call to 'max(long long int, ll)'
   21 |         s = max(0LL, s + a[i]);
      |             ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from snail.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
snail.cpp:21:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'll' {aka 'long int'})
   21 |         s = max(0LL, s + a[i]);
      |             ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from snail.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
snail.cpp:21:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'll' {aka 'long int'})
   21 |         s = max(0LL, s + a[i]);
      |             ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from snail.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3461 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note:   template argument deduction/substitution failed:
snail.cpp:21:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   21 |         s = max(0LL, s + a[i]);
      |             ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from snail.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3467 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note:   template argument deduction/substitution failed:
snail.cpp:21:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   21 |         s = max(0LL, s + a[i]);
      |             ~~~^~~~~~~~~~~~~~~