Submission #1696825
Source Code Expand
#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include <queue>
#include <algorithm>
#include <utility>
#include <cmath>
#include <map>
#include <set>
#include <stack>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;
#define INF_LL (ll)1e18
#define INF (int)1e9
#define REP(i, n) for(int i = 0;i < (n);i++)
#define FOR(i, a, b) for(int i = (a);i < (b);i++)
#define all(x) x.begin(),x.end()
using ll = long long;
using PII = pair<int, int>;
const double eps = 1e-10;
template<typename A, typename B>inline void chmin(A &a, B b){if(a > b) a = b;}
template<typename A, typename B>inline void chmax(A &a, B b){if(a < b) a = b;}
class RMQ{
private:
int n;
vector<ll> node, lazy;
vector<bool> lazyFlag;
public:
RMQ(vector<ll> v){
int sz = v.size();
n = 1; while(n < sz) n *= 2;
node.resize(2*n-1, INF_LL);
lazy.resize(2*n-1, 0);
lazyFlag.resize(2*n-1, false);
REP(i, sz) node[i+n-1] = v[i];
for(int i = n-2;i >= 0;i--) node[i] = min(node[2*i+1], node[2*i+2]);
}
void eval(int k, int l, int r){
if(lazyFlag[k]){
node[k] = lazy[k];
if(r-l > 1){
lazy[2*k+1] = lazy[k];
lazy[2*k+2] = lazy[k];
lazyFlag[2*k+1] = lazyFlag[2*k+2] = true;
}
lazy[k] = 0;
lazyFlag[k] = false;
}
}
void update(int a, int b, ll x, int k=0, int l=0, int r=-1){
if(r < 0) r = n;
eval(k, l, r);
if(b <= l || r <= a) return;
if(a <= l && r <= b){
lazy[k] = x;
lazyFlag[k] = true;
eval(k, l, r);
}else{
update(a, b, x, k*2+1, l, (l+r)/2);
update(a, b, x, k*2+2, (l+r)/2, r);
node[k] = min(node[k*2+1], node[k*2+2]);
}
}
ll query(int a, int b, int k=0, int l=0, int r=-1){
if(r < 0) r = n;
eval(k, l, r);
if(b <= l || r <= a) return INF_LL;
if(a <= l && r <= b) return node[k];
return min(query(a, b, k*2+1, l, (l+r)/2), query(a, b, k*2+2, (l+r)/2, r));
}
};
class RMQ_MAX{
private:
int n;
vector<ll> node, lazy;
vector<bool> lazyFlag;
public:
RMQ_MAX(vector<ll> v){
int sz = v.size();
n = 1; while(n < sz) n *= 2;
node.resize(2*n-1, INF_LL);
lazy.resize(2*n-1, 0);
lazyFlag.resize(2*n-1, false);
REP(i, sz) node[i+n-1] = v[i];
for(int i = n-2;i >= 0;i--) node[i] = max(node[2*i+1], node[2*i+2]);
}
void eval(int k, int l, int r){
if(lazyFlag[k]){
node[k] = lazy[k];
if(r-l > 1){
lazy[2*k+1] = lazy[k];
lazy[2*k+2] = lazy[k];
lazyFlag[2*k+1] = lazyFlag[2*k+2] = true;
}
lazy[k] = 0;
lazyFlag[k] = false;
}
}
void update(int a, int b, ll x, int k=0, int l=0, int r=-1){
if(r < 0) r = n;
eval(k, l, r);
if(b <= l || r <= a) return;
if(a <= l && r <= b){
lazy[k] = x;
lazyFlag[k] = true;
eval(k, l, r);
}else{
update(a, b, x, k*2+1, l, (l+r)/2);
update(a, b, x, k*2+2, (l+r)/2, r);
node[k] = max(node[k*2+1], node[k*2+2]);
}
}
ll query(int a, int b, int k=0, int l=0, int r=-1){
if(r < 0) r = n;
eval(k, l, r);
if(b <= l || r <= a) return -1;
if(a <= l && r <= b) return node[k];
return max(query(a, b, k*2+1, l, (l+r)/2), query(a, b, k*2+2, (l+r)/2, r));
}
};
const ll mod = 1e9+7;
int main(void){
int N;
ll T[114514], A[114514];
ll res = 1;
cin >> N;
REP(i, N)
cin >> T[i];
REP(i, N)
cin >> A[i];
FOR(i, 1, N-1){
if(T[i-1]!=T[i]){
if(A[i] < T[i]) res = 0;
continue;
}if(A[i+1]!=A[i]){
if(A[i] > T[i]) res = 0;
continue;
}
res = (res*min(T[i], A[i]))%mod;
}
if(A[0] < T[0] || T[N-1] < A[N-1]) res = 0;
cout << res << endl;
}
Submission Info
Submission Time |
|
Task |
C - Two Alpinists |
User |
maze1230 |
Language |
C++14 (GCC 5.4.1) |
Score |
400 |
Code Size |
3651 Byte |
Status |
AC |
Exec Time |
85 ms |
Memory |
1792 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
400 / 400 |
Status |
|
|
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 |
1792 KB |
1_009.txt |
AC |
70 ms |
1792 KB |
1_010.txt |
AC |
75 ms |
1792 KB |
1_011.txt |
AC |
79 ms |
1792 KB |
1_012.txt |
AC |
77 ms |
1792 KB |
1_013.txt |
AC |
78 ms |
1792 KB |
1_014.txt |
AC |
79 ms |
1792 KB |
1_015.txt |
AC |
79 ms |
1792 KB |
1_016.txt |
AC |
77 ms |
1792 KB |
1_017.txt |
AC |
73 ms |
1792 KB |
1_018.txt |
AC |
72 ms |
1792 KB |
1_019.txt |
AC |
62 ms |
1792 KB |
1_020.txt |
AC |
66 ms |
1792 KB |