// Wiktor Cupiał // V LO Kraków #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define mp make_pair #define pb push_back #define ppb pop_back #define pf push_front #define ppf pop_front #define eb emplace_back #define st first #define nd second #define vt vector #define VAR(__var) #__var << ": " << __var << " " #define PAIR(__var) #__var << ": " << __var.first << ", " << __var.second << " " #define FOR(__var, __start, __end) for(int __var=__start; __var<__end; ++__var) #define FORB(__var, __start, __end) for(int __var=__start; __var>__end; --__var) #define maxi(__x, __y) __x = (__x>__y?__x:__y) #define mini(__x, __y) __x = (__x<__y?__x:__y) #define all(__var) (__var).begin(),(__var).end() #define rall(__var) (__var).rbegin(),(__var).rend() #define sz(__var) (int)(__var).size() #define satori int __test; cin>>__test; while(__test--) #ifndef DEBUG #define DEBUG 0 #endif #define debug if(DEBUG) using namespace std; using namespace __gnu_pbds; template <typename T> using ord_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>; // templeos <3 typedef int16_t i16; typedef int32_t i32; typedef int64_t i64; typedef void u0; typedef bool u1; typedef char u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef float f32; typedef double f64; typedef long double f86; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; const int INF = 1e9+2137; int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; vt<pii> a(n); FOR(i, 0, n) cin >> a[i].st, a[i].nd = i; sort(all(a), greater<pii>()); int l = INF; int r = -1; ll res = 0; int target = -1, dl; auto licz = [&]() { int now = target-(dl-1); if(r-target+1 < 0) now += r-target+1; if(l+target-1 > n-1) now -= (l+target-1-(n-1)); //cout << "target: " << target << '\n'; //cout << l << ' ' << r << '\n'; //cout << l+target-1 << ' ' << r-target+1 << ' ' << now << "\n\n"; if(now > 0) res += now; }; for(auto &[x, pos] : a) { ++target; l = min(l, pos); r = max(r, pos); dl = r-l+1; if(dl <= target) licz(); ++target; if(dl <= target) licz(); } cout << 2*n+1 << ' ' << res << '\n'; return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | // Wiktor Cupiał // V LO Kraków #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define mp make_pair #define pb push_back #define ppb pop_back #define pf push_front #define ppf pop_front #define eb emplace_back #define st first #define nd second #define vt vector #define VAR(__var) #__var << ": " << __var << " " #define PAIR(__var) #__var << ": " << __var.first << ", " << __var.second << " " #define FOR(__var, __start, __end) for(int __var=__start; __var<__end; ++__var) #define FORB(__var, __start, __end) for(int __var=__start; __var>__end; --__var) #define maxi(__x, __y) __x = (__x>__y?__x:__y) #define mini(__x, __y) __x = (__x<__y?__x:__y) #define all(__var) (__var).begin(),(__var).end() #define rall(__var) (__var).rbegin(),(__var).rend() #define sz(__var) (int)(__var).size() #define satori int __test; cin>>__test; while(__test--) #ifndef DEBUG #define DEBUG 0 #endif #define debug if(DEBUG) using namespace std; using namespace __gnu_pbds; template <typename T> using ord_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>; // templeos <3 typedef int16_t i16; typedef int32_t i32; typedef int64_t i64; typedef void u0; typedef bool u1; typedef char u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef float f32; typedef double f64; typedef long double f86; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; const int INF = 1e9+2137; int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; vt<pii> a(n); FOR(i, 0, n) cin >> a[i].st, a[i].nd = i; sort(all(a), greater<pii>()); int l = INF; int r = -1; ll res = 0; int target = -1, dl; auto licz = [&]() { int now = target-(dl-1); if(r-target+1 < 0) now += r-target+1; if(l+target-1 > n-1) now -= (l+target-1-(n-1)); //cout << "target: " << target << '\n'; //cout << l << ' ' << r << '\n'; //cout << l+target-1 << ' ' << r-target+1 << ' ' << now << "\n\n"; if(now > 0) res += now; }; for(auto &[x, pos] : a) { ++target; l = min(l, pos); r = max(r, pos); dl = r-l+1; if(dl <= target) licz(); ++target; if(dl <= target) licz(); } cout << 2*n+1 << ' ' << res << '\n'; return 0; } |