oj.uz

Submission #155798

# Submission time Handle Problem Language Result Execution time Memory
155798 2019-09-30T15:44:27 Z georgerapeanu JOIRIS (JOI16_joiris) C++11
100 / 100
 5 ms 632 KB 
#include <cstdio>
#include <cassert>
#include <cstring>
#include <vector>
#include <algorithm>

using namespace std;

int n,k;
int a[55];
int tmp[55];
int cnt[55];
int ord[55];
int growth[55];

vector<pair<int,int> > op;

int dist(int a,int b) {
    if(a > b) {
        b += k;
    }
    return b - a;
}

void get_same_height_range() {
    int ma = 0;
    for(int i = 1; i <= n; i++) {
        ma = max(ma,a[i]);
    }

    for(int i = 1; i <= n; i++) {
        while(ma - a[i] >= k) {
            a[i] += k;
            op.push_back({1,i});
        }
    }
}

void paralel(vector<pair<int,int> > &v) {
    memset(growth,0,sizeof(growth));
    for(auto it:v) {
        for(int x = 1; x <= it.second; x++) {
            op.push_back({2,it.first});
        }
        for(int j = it.first; j < it.first + k; j++) {
            a[j] += it.second;
            growth[j] += it.second;
        }
    }

    sort(ord + 1,ord + 1 + n,[&](int x,int y) {
        return growth[x] < growth[y];
    });

    for(int i = 1; i <= n; i++) {
        if(growth[ord[i]] > 0) {
            continue;
        }
        a[ord[i]] += 2 * k;
        op.push_back({1,ord[i]});
        op.push_back({1,ord[i]});
    }
}

void do_tetris() {
    int mi = a[1];
    for(int i = 1; i <= n; i++) {
        mi = min(mi,a[i]);
    }
    for(int i = 1; i <= n; i++) {
        a[i] -= mi;
    }
}

int main() {

    scanf("%d %d",&n,&k);

    for(int i = 1; i <= n; i++) {
        scanf("%d",&a[i]);
    }

    int real_h = -1;

    for(int h = 0; h < k; h++) {
        for(int i = 1; i <= n; i++) {
            tmp[i] = a[i] % k;
        }
        for(int i = 1; i <= n - k + 1; i++) {
            cnt[i] = dist(tmp[i],h);
            for(int j = i; j < i + k; j++) {
                tmp[j] += cnt[i];
                tmp[j] %= k;
            }
        }
        bool ok = true;
        for(int i = 1; i <= n; i++) {
            ord[i] = i;
            if(tmp[i] != h) {
                ok = false;
                break;
            }
        }
        if(ok) {
            real_h = h;
            break;
        }
    }

    if(real_h == -1) {
        printf("-1\n");
        return 0;
    }

    for(int i = 1; i <= n; i++) {
        get_same_height_range();
        do_tetris();
        vector<pair<int,int> > pos;
        for(int j = i; j <= i; j += k) {
            pos.push_back({j,cnt[j]});
        }
        paralel(pos);
        do_tetris();
    }

    get_same_height_range();

    assert((int)op.size() <= 1e4);

    printf("%d\n",(int)op.size());
    for(auto it:op) {
        printf("%d %d\n",it.first,it.second);
    }

    return 0;
}

Compilation message

joiris.cpp: In function 'int main()':
joiris.cpp:77:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&k);
     ~~~~~^~~~~~~~~~~~~~~
joiris.cpp:80:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&a[i]);
         ~~~~~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 448 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 3 ms 376 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 448 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 3 ms 380 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 3 ms 404 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 5 ms 504 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 256 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 448 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 3 ms 504 KB Output is correct
24 Correct 3 ms 504 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 380 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 2 ms 380 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 3 ms 380 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 2 ms 256 KB Output is correct
43 Correct 3 ms 404 KB Output is correct
44 Correct 2 ms 256 KB Output is correct
45 Correct 5 ms 504 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 2 ms 256 KB Output is correct
48 Correct 2 ms 504 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 256 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 256 KB Output is correct
55 Correct 2 ms 256 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 2 ms 256 KB Output is correct
58 Correct 2 ms 256 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 2 ms 376 KB Output is correct
62 Correct 2 ms 256 KB Output is correct
63 Correct 2 ms 256 KB Output is correct
64 Correct 2 ms 252 KB Output is correct
65 Correct 2 ms 376 KB Output is correct
66 Correct 2 ms 376 KB Output is correct
67 Correct 2 ms 376 KB Output is correct
68 Correct 2 ms 376 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 2 ms 376 KB Output is correct
71 Correct 3 ms 376 KB Output is correct
72 Correct 3 ms 376 KB Output is correct
73 Correct 3 ms 504 KB Output is correct
74 Correct 3 ms 504 KB Output is correct
75 Correct 3 ms 476 KB Output is correct
76 Correct 3 ms 504 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 3 ms 504 KB Output is correct
79 Correct 2 ms 384 KB Output is correct
80 Correct 2 ms 376 KB Output is correct
81 Correct 3 ms 632 KB Output is correct
82 Correct 3 ms 376 KB Output is correct
83 Correct 2 ms 376 KB Output is correct
84 Correct 2 ms 252 KB Output is correct
85 Correct 2 ms 256 KB Output is correct
86 Correct 2 ms 252 KB Output is correct
87 Correct 2 ms 256 KB Output is correct
88 Correct 2 ms 256 KB Output is correct
89 Correct 2 ms 256 KB Output is correct
90 Correct 2 ms 384 KB Output is correct
91 Correct 2 ms 252 KB Output is correct
92 Correct 3 ms 376 KB Output is correct