oj.uz

Submission #70383

# Submission time Handle Problem Language Result Execution time Memory
70383 2018-08-22T18:27:43 Z Benq JOIRIS (JOI16_joiris) C++14
0 / 100
 3 ms 632 KB 
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")

#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/rope>

using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
 
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;

typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;

template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)

#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()

const int MOD = 1000000007;
const ll INF = 1e18;
const int MX = 100001;

int n, k, a[51], dif[51], tmp[51];
vpi op;

void cut() {
    int mn = MOD; FOR(i,1,n+1) mn = min(mn,a[i]);
    FOR(i,1,n+1) a[i] -= mn;
}

void nor() {
    while (1) {
        int mx = 0; FOR(i,1,n+1) mx = max(mx,a[i]);
        if (mx < k) return;
        FOR(i,1,n+1) if (a[i] == 0) {
            op.pb({1,i});
            a[i] += k;
        }
        cut();
        /*FOR(i,1,n+1) cout << a[i] << " ";
        cout << "\n";*/
    }
}

void ad(int x) {
    nor();
    int hei = 0;
    FOR(i,x,x+k) hei = max(hei,a[i]);
    hei ++;
    FOR(i,1,n+1) if (i < x || i >= x+k) {
        while (a[i] < hei) {
            a[i] += k;
            op.pb({1,i});
        }
        a[i] --;
    }
    op.pb({2,x});
    cut();
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> k;
    FOR(i,1,n+1) {
        cin >> a[i];
        tmp[i] = a[i] % k;
    }
    FOR(i,2,n+1) while (tmp[i] != tmp[1]) {
        if (i > n-k+1) {
            cout << -1;
            exit(0);
        }
        dif[i] ++;
        FOR(j,i,i+k) tmp[j] = (tmp[j]+1)%k;
    }
    FOR(i,1,n+1) while (dif[i]) {
        ad(i); 
        dif[i] --;
    }
    /*FOR(i,1,n+1) cout << a[i] << " ";
    cout << "\n";*/
    cout << sz(op) << "\n";
    for (auto a: op) cout << a.f << " " << a.s << "\n";
}

/* Look for:
* the exact constraints (multiple sets are too slow for n=10^6 :( ) 
* special cases (n=1?)
* overflow (ll vs int?)
* array bounds
* if you have no idea just guess the appropriate well-known algo instead of doing nothing :/
*/

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 400 KB Output is correct
4 Incorrect 2 ms 512 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 632 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 400 KB Output is correct
4 Incorrect 2 ms 512 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 400 KB Output is correct
4 Incorrect 2 ms 512 KB Output isn't correct
5 Halted 0 ms 0 KB -