Submission #1172727


Source Code Expand

#include <cstdio>
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cmath>
using namespace std;

typedef pair<int, int> P;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(c) (c).begin(), (c).end()
#define _1 first
#define _2 second
#define pb push_back
#define INF 1145141919
#define MOD 1000000007

int N;
int A[100000], B[100000];
int X[100000];

signed main() {
  ios::sync_with_stdio(false); cin.tie(0);
  cin >> N;
  rep(i, N) cin >> A[i];
  rep(i, N) cin >> B[i];
  rep(i, N) {
    if (i == 0 || A[i] != A[i-1]) X[i] = A[i];
  }
  bool f = true;
  //if (A[N-1] != B[0]) f = false;
  for (int i=N-1; i>=0; i--) {
    if (i == N-1 || B[i] != B[i+1]) {
      if (X[i] != 0 && B[i] != X[i]) f = false;
      X[i] = B[i];
    }
  }
  for (int i=N-1; i>=0; i--) {
    if (X[i] != 0 && (X[i] > A[i] || X[i] > B[i])) f = false;
  }
  if (!f) {
    cout << 0 << "\n";
  }
  else {
    long long s = 1;
    rep(i, N) {
      if (X[i] == 0) s = (s*min(A[i], B[i])) % MOD;
    }
    cout << s << "\n";
  }
  return 0;
}

Submission Info

Submission Time
Task C - Two Alpinists
User funcsr
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1161 Byte
Status AC
Exec Time 22 ms
Memory 1408 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 4
AC × 21
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 AC 1 ms 256 KB
1_007.txt AC 1 ms 256 KB
1_008.txt AC 22 ms 1024 KB
1_009.txt AC 19 ms 1408 KB
1_010.txt AC 20 ms 1280 KB
1_011.txt AC 22 ms 1280 KB
1_012.txt AC 21 ms 1408 KB
1_013.txt AC 21 ms 1280 KB
1_014.txt AC 21 ms 1408 KB
1_015.txt AC 21 ms 1280 KB
1_016.txt AC 21 ms 1408 KB
1_017.txt AC 20 ms 1152 KB
1_018.txt AC 19 ms 1152 KB
1_019.txt AC 18 ms 1024 KB
1_020.txt AC 17 ms 1024 KB