# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1260890 | raymoo_ | Index (COCI21_index) | C++17 | 2590 ms | 1728 KiB |
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define umap unordered_map
#define prq priority_queue
#define vect vector
#define rs resize
#define bend(v) v.begin(),v.end()
#define pob pop_back
#define pof pop_front
#define lwb lower_bound
#define upb upper_bound
#define pii pair<int,int>
#define nextl cout << '\n'
#define el '\n'
#define deb cout<<"\nok\n";return
#define ll long long
#define int long long
#define dbl long double
#define popcnt __builtin_popcount
#define ctz __builtin_ctz
#define FILE "ellencute"
const ll INF=902337203695775807, N=2e5+69, MOD=1e9+7;
void ffopen(){
if(fopen(FILE".inp", "r")){
freopen(FILE".inp", "r", stdin);
freopen(FILE".out", "w", stdout);
}else if(fopen("ellencute.inp", "r")){
freopen("ellencute.inp", "r", stdin);
freopen("ellencute.out", "w", stdout);
}
}
int pm(int a,const int b=1e9+7){return ((a%b)+b)%b;}
int sq(int x){return x*x;}
ll __lcm(ll a, ll b, const ll lim=LLONG_MAX){
if(a == -1 || b == -1)return -1;
ll g = __gcd(a,b);
if(b/g > lim/a)return -1;
return (a/g)*b;
}
void sol(){
int n, q;
cin >> n >> q;
int a[n];
for(int& i : a)cin >> i;
while(q--){
vect<int> v;
int l, r;cin >> l >> r;
for(int i=l-1;r>i;i++)v.eb(a[i]);
sort(bend(v), greater<int>());
int ans = 1;
for(int i=0;v.size()>i;i++){
if(i+1 <= v[i])ans = i+1;
else break;
}cout << ans << el;
}
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ffopen();
int t=1;
//cin >> t;
while(t--)sol();
}
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*/
Compilation message (stderr)
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