Submission #1041470

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041470		phong	JOIRIS (JOI16_joiris)	C++17	100 / 100	1 ms	2908 KiB

joiris

//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
//#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>

#define ll long long
const int nmax = 1e6 + 5, N = 1e5;
const ll oo = 1e9;
const int lg = 31, M = 2, mod = 1e6;
#define pii pair<ll, ll>
#define fi first
#define se second
#define debug(a, n) for(int i = 1; i <= n; ++i) cout << a[i] << ' '; cout << "\n";
#define endl "\n"
#define task "code"
using namespace std;


int n, k;
int a[nmax], c[nmax];
vector<pii> ans;
void add(int id, int i){
    ans.push_back({id, i});
    if(ans.size() > 1e4) cout << -1, exit(0);
}
main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
//    freopen(task".inp", "r", stdin);
//    freopen(task".out", "w", stdout);
    cin >> n >> k;
    for(int i = 1; i <= n; ++i) cin >> a[i];
    while(1){
        bool ok = 1;
        for(int i = 1; i <= n; ++i) ok &= (a[i] == 0);
        if(ok) break;
        for(int i = 2; i <= n; ++i){
            while(a[i] < a[i -1]){
                add(1, i);
                a[i] += k;
            }
        }
        for(int i = 1; i <= n; ++i) c[i] = a[i];
        for(int i = 0; i <= a[n]; ++i){
            int pos = upper_bound(a + 1, a + 1 + n, i) - a - 1;
            while(pos >= k){
                for(int j = pos - k + 1; j <= pos; ++j) c[j]++;
                add(2, pos - k + 1);
                pos -= k;
            }
        }

        for(int i = 1; i < k; ++i){
            while(c[i] < c[n]){
                c[i] += k;
                add(1, i);
            }
        }
        int mi = oo;
        for(int i = 1; i <= n; ++i){
            mi = min(mi, c[i]);
        }
        for(int i = 1; i <= n; ++i) a[i] = c[i] - mi;
    }
    cout << ans.size() << endl;
    for(auto [id, i] : ans) cout <<id << ' ' << i << endl;


}
/*
4 2
1 0 1 2
*/

Compilation message (stderr)

joiris.cpp:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      | ^~~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 55 / 55