Submission #1691606
Source Code Expand
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ll n; cin >> n; ll t[n], a[n]; for(int i = 0; i < n; ++i) cin >> t[i]; for(int i = 0; i < n; ++i) cin >> a[i]; vector<pair<ll, bool> > po(n, pair<ll, bool>(1145148931919810, 0)); ll maxv = t[0]; po[0] = pair<ll, bool>(t[0], 1); for(int i = 1; i < n; ++i){ if(t[i] > maxv){ maxv = t[i]; po[i] = pair<ll, bool>(t[i], 1); }else{ po[i] = pair<ll, bool>(maxv, 0); } } if(po[n - 1].first != a[n - 1] && po[n - 1].second){ cout << 0 << endl; return 0; }else{ po[n - 1] = pair<ll, bool>(a[n - 1], 1); } maxv = a[n - 1]; for(int i = n - 2; i >= 0; --i){ if(a[i] > maxv){ if(po[i].first != a[i] && po[i].second){ cout << 0 << endl; return 0; } po[i] = pair<ll, bool>(a[i], 1); maxv = a[i]; }else{ if(po[i].second && po[i].first > maxv){ cout << 0 << endl; return 0; }else{ if(!po[i].second) po[i].first = min<ll>(po[i].first, a[i]); } } } ll ans = 1; ll mod = 1e9 + 7; for(int i = 0; i < n; ++i){ if(!po[i].second){ ans *= po[i].first; ans %= mod; } } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Two Alpinists |
User | kcvlex |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1207 Byte |
Status | AC |
Exec Time | 99 ms |
Memory | 3328 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
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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 | 99 ms | 3328 KB |
1_009.txt | AC | 73 ms | 3328 KB |
1_010.txt | AC | 80 ms | 3328 KB |
1_011.txt | AC | 87 ms | 3328 KB |
1_012.txt | AC | 82 ms | 3328 KB |
1_013.txt | AC | 84 ms | 3328 KB |
1_014.txt | AC | 83 ms | 3328 KB |
1_015.txt | AC | 86 ms | 3328 KB |
1_016.txt | AC | 82 ms | 3328 KB |
1_017.txt | AC | 79 ms | 3328 KB |
1_018.txt | AC | 77 ms | 3328 KB |
1_019.txt | AC | 67 ms | 3328 KB |
1_020.txt | AC | 61 ms | 3328 KB |