Submission #121093

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
121093	2019-06-26 05:47:12	tri	Strange Device (APIO19_strange_device)	C++14	100 / 100	3077 ms	33468 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
#define pb push_back
#define f first
#define s second
ll N, A, B;
int main() {
    cin >> N >> A >> B;
    ll gcd = __gcd(A, B + 1);
    ll AP = A / gcd;
    if (AP > (ll) 1e18 / B) {
        // period is so big it won't matter
        ll ans = 0;
        for (int i = 0; i < N; i++) {
            ll l, r;
            cin >> l >> r;
 
 
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Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:67:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < delts.size(); i++) {
                     ~~^~~~~~~~~~~~~~
strange_device.cpp:69:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i + 1 < delts.size()) {
             ~~~~~~^~~~~~~~~~~~~~

• 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