Submission #1455375


Source Code Expand

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

const int M = 1000000007;

int main() {
    int n;
    cin >> n;
    vector<int> t(n);
    vector<int> a(n);
    vector<int> just(n, 0);
    for (int i = 0; i < n; ++i) {
        cin >> t[i];
    }
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    if (n == 1) {
        if (t[0] == a[0]) {
            cout << "1\n";
        }
        else {
            cout << "0\n";
        }
        return 0;
    }
    if (t[n - 1] != a[0]) {
        cout << "0\n";
        return 0;
    }
    just[0] = t[0];
    just[n - 1] = a[n - 1];
    for (int i = 1; i < n; ++i) {
        if (t[i] > t[i - 1]) {
            just[i] = t[i];
        }
    }
    for (int i = n - 2; i >= 0; --i) {
        if (a[i] > a[i + 1]) {
            if (just[i] && just[i] != a[i]) {
                cout << "0\n";
                return 0;
            }
            just[i] = a[i];
        }
    }
    long long ans = 1;
    for (int i = 0; i < n; ++i) {
        if (!just[i]) {
            ans = ans * min(t[i], a[i]) % M;
        }
    }
    cout << ans << "\n";
    return 0;
}

Submission Info

Submission Time
Task C - Two Alpinists
User riantkb
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1165 Byte
Status WA
Exec Time 86 ms
Memory 1408 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 4
AC × 18
WA × 3
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt
Case Name Status Exec Time Memory
0_000.txt AC 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
0_002.txt AC 1 ms 256 KB
0_003.txt AC 1 ms 256 KB
1_004.txt AC 1 ms 256 KB
1_005.txt AC 1 ms 256 KB
1_006.txt WA 1 ms 256 KB
1_007.txt AC 1 ms 256 KB
1_008.txt AC 86 ms 1408 KB
1_009.txt AC 71 ms 1408 KB
1_010.txt AC 77 ms 1408 KB
1_011.txt AC 80 ms 1408 KB
1_012.txt AC 77 ms 1408 KB
1_013.txt AC 79 ms 1408 KB
1_014.txt AC 79 ms 1408 KB
1_015.txt AC 80 ms 1408 KB
1_016.txt AC 78 ms 1408 KB
1_017.txt AC 76 ms 1408 KB
1_018.txt WA 73 ms 1408 KB
1_019.txt AC 63 ms 1408 KB
1_020.txt WA 60 ms 1408 KB