Submission #1474578


Source Code Expand

#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <cmath>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <bitset>
using namespace std;
#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
typedef long long ll;
const int mod = 1e9 + 7;
int main()
{
  int N;
  cin >> N;
  ll T[N], A[N];
  FOR(i,0,N) cin >> T[i];
  FOR(i,0,N) cin >> A[i];
  if(N==1) {
    if(A[0]==T[0]) {
      cout << 1 << endl;
    } else {
      cout << 0 << endl;
    }
    return 0;
  }
  if(N==2) {
    if(T[1]!=A[0]) {
      cout << 0 << endl;
      return 0;
    }
  }
  bool kakutei[N];
  FOR(i,0,N) kakutei[i] = false;
  kakutei[0] = kakutei[N-1] = true;
  int mxj = 0;
  FOR(i,1,N-1) {
    if(T[i]!=T[i-1]) {
      kakutei[i] = true;
      mxj = i;
    }
  }
  for(int i = N - 1; i > 0; i--) {
    if(A[i-1] != A[i]) {
      if(i - 1 < mxj) {
        cout << 0 << endl;
        return 0;
      }
      kakutei[i-1] = true;
    }
  }
  ll ans = 1;
  FOR(i,0,N) {
    if(kakutei[i]) continue;
    ans *= min(T[i], A[i]);
    ans %= mod;
  }
  cout << ans << endl;
  return 0;
}

Submission Info

Submission Time
Task C - Two Alpinists
User nenuon
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1256 Byte
Status AC
Exec Time 85 ms
Memory 1920 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 85 ms 1920 KB
1_009.txt AC 70 ms 1920 KB
1_010.txt AC 75 ms 1920 KB
1_011.txt AC 79 ms 1920 KB
1_012.txt AC 76 ms 1920 KB
1_013.txt AC 79 ms 1920 KB
1_014.txt AC 79 ms 1920 KB
1_015.txt AC 79 ms 1920 KB
1_016.txt AC 76 ms 1920 KB
1_017.txt AC 73 ms 1920 KB
1_018.txt AC 71 ms 1920 KB
1_019.txt AC 62 ms 1920 KB
1_020.txt AC 58 ms 1920 KB