Submission #821794

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
821794	2023-08-11 16:49:16	hngwlog	Strange Device (APIO19_strange_device)	C++14	100 / 100	656 ms	68964 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define _size(x) (int)x.size()
#define BIT(i, x) ((x >> i) & 1)
#define MASK(n) ((1 << n) - 1)
#define REP(i, n) for (int i = 0, _n = (n); i < _n; i++)
#define FOR(i, a, b) for (int i = a, _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = a, _b = (b); i >= _b; i--)
#define FORB1(i, mask) for (int i = mask; i > 0; i ^= i & - i)
#define FORB0(i, n, mask) for (int i = ((1 << n) - 1) ^ mask; i > 0; i ^= i & - i)
#define FORALL(i, a) for (auto i: a)
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);
const long long inf = 1e18;
int main() {
    fastio;
    int n;
    long long a, b;
    cin >> n >> a >> b;
    long long k = a / __gcd(b + 1, a);
    vector<pair<long long, int>> g;
    long long p = 0;
    if (inf / k < b) p = inf + 5;
    else p = k * b;
    REP(i, n) {
 
 
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Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:52:38: warning: 'cur' may be used uninitialized in this function [-Wmaybe-uninitialized]
   52 |         else if (sum) ans += g[i].fi - cur;

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 20 / 20
• Subtask 8: 30 / 30