Submission #489293

# Submission time Handle Problem Language Result Execution time Memory
489293 2021-11-22T04:17:23 Z KienTran Snail (NOI18_snail) C++17
100 / 100
3 ms 1920 KB
#include <bits/stdc++.h>
#define int long long

using namespace std;

const int O = 2e5 + 5;
const int inf = 1e18;

int n, h, add, a[O], p[O];

main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin >> h >> n;
    for (int i = 1; i <= 10 * n; ++ i){
        if (i > n) p[i] = p[i - n];
        if (i <= n) cin >> p[i];
        if (i <= n) add += p[i];
    }

    for (int i = 1; i <= 10 * n; ++ i){
        a[i] = max(0ll, a[i - 1] + p[i]);
        if (a[i] >= h){
            cout << i / n - (i % n == 0) << " " << (i - 1) % n;
            return 0;
        }
    }

    if (add <= 0) return cout << "-1 -1", 0;

    int day, phase; day = inf;
    for (int i = 9 * n + 1; i <= 10 * n; ++ i){
        int c = 9 + (h - a[i] + add - 1) / add;
        if (c < day){
            day = c;
            phase = i - 9 * n - 1;
        }
    }

    cout << day << " " << phase;
}

Compilation message

snail.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main(){
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 320 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 2 ms 1868 KB Output is correct
6 Correct 2 ms 1868 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1868 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1868 KB Output is correct
2 Correct 2 ms 1868 KB Output is correct
3 Correct 2 ms 1100 KB Output is correct
4 Correct 2 ms 1096 KB Output is correct
5 Correct 2 ms 1100 KB Output is correct
6 Correct 2 ms 1356 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 320 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 2 ms 1868 KB Output is correct
13 Correct 2 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 2 ms 1868 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1100 KB Output is correct
24 Correct 2 ms 1096 KB Output is correct
25 Correct 2 ms 1100 KB Output is correct
26 Correct 2 ms 1356 KB Output is correct
27 Correct 2 ms 1488 KB Output is correct
28 Correct 2 ms 1232 KB Output is correct
29 Correct 2 ms 1872 KB Output is correct
30 Correct 2 ms 1920 KB Output is correct
31 Correct 2 ms 1872 KB Output is correct
32 Correct 3 ms 1872 KB Output is correct