Untitled
unknown
plain_text
a year ago
2.4 kB
10
Indexable
#include <bits/stdc++.h>
using namespace std;
#define int long long
void __print(int x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned int x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename T, typename V> void __print(const pair<T, V> &x) {
cerr << '{';
__print(x.first);
cerr << ',';
__print(x.second);
cerr << '}';
}
template <typename T> void __print(const T &x) {
int f = 0;
cerr << '{';
for (auto &i : x)
cerr << (f++ ? "," : ""), __print(i);
cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V> void _print(T t, V... v) {
__print(t);
if (sizeof...(v))
cerr << ", ";
_print(v...);
}
#ifndef ONLINE_JUDGE
#define debug(x...) \
cerr << "[" << #x << "] = ["; \
_print(x)
#else
#define debug(x...)
#endif
void solve() {
int n;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
}
// vector<int> b = a;
// sort(b.begin(),b.end());
// if(a[n-2]==b[n-2]){
// cout << b[n-2] << endl;
// }
int ans = 0;
for (int i = 0; i < n - 1; i++) {
int flag_min2 = 0;
int flag_min1 = 0;
int flag_plus1 = 0;
int flag_plus2 = 0;
if (i - 2 >= 0) {
flag_min2 = 1;
}
if (i - 1 >= 0) {
flag_min1 = 1;
}
if (i + 1 < n) {
flag_plus1 = 1;
}
if (i + 2 < n) {
flag_plus2 = 1;
}
debug(flag_min1, flag_min2, flag_plus1, flag_plus2);
int val_min1 = flag_min1 ? a[i - 1] : LLONG_MAX;
int val_min2 = flag_min2 ? a[i - 2] : LLONG_MAX;
int val_plus1 = flag_plus1 ? a[i + 1] : LLONG_MAX;
int val_plus2 = flag_plus2 ? a[i + 2] : LLONG_MAX;
if (a[i] <= val_min1 || a[i] <= val_min2 || a[i] <= val_plus1 ||
a[i] <= val_plus2) {
ans = max(ans, a[i]);
}
}
// if(a[n-1]<=(a[n-2]) || a[n-1]<=(a[n-3])){
// ans = max(ans,a[n-1]);
// }
cout << ans << endl;
}
signed main() {
int t = 1;
cin >> t;
while (t--) {
debug(t);
solve();
}
return 0;
}Editor is loading...
Leave a Comment