oj.uz

Submission #699369

# Submission time Handle Problem Language Result Execution time Memory
699369 2023-02-16T16:56:43 Z doowey Naan (JOI19_naan) C++14
100 / 100
 631 ms 63420 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = 2010;
const ll C = (ll)1e18;

struct frac{
    ll A;
    ll B;
    frac operator+ (frac y){
        return {A * y.B + B * y.A, B * y.B};
    }
    frac operator- (frac y){
        return {A * y.B - B * y.A, B * y.B};
    }
    bool operator< (frac y){
        if(A/B != y.A/y.B){
            return A/B < y.A/y.B;
        }
        ll D = A/B;
        ll temp0 = A - D * B;
        ll temp1 = y.A - D * y.B;
        return (temp0 * y.B - temp1 * B < 0);
    }
};

ll V[N][N];
ll S[N][N];
int m;

frac calc(int id, frac P){
    int las = P.A / P.B;
    frac Y = {S[id][las], 1};
    frac add = (P - (frac){las, 1});
    add.A *= V[id][las + 1];
    Y = Y + add;
    return Y;
}

frac need[N];
bool use[N];
int pi[N];

int main(){
    fastIO;
    //freopen("in.txt", "r", stdin);
    int n;
    cin >> n >> m;
    int vv;
    for(int i = 1; i <= n; i ++ ){
        need[i] = {0, n};
        for(int j = 1; j <= m ; j ++ ){
            cin >> vv;
            V[i][j] = vv;
            need[i].A += V[i][j];
            S[i][j] = V[i][j] + S[i][j - 1];
        }
        pi[i] = -1;
    }
    frac las = {0, 1};
    frac tis;
    frac nx;
    frac cur;
    frac low;
    int idx;
    frac SS;
    ll X;
    int pos;
    for(int it = 1; it < n; it ++ ){
        low = {m, 1};
        idx = -1;
        for(int i = 1; i <= n; i ++ ){
            if(!use[i]){
                tis = calc(i, las);
                int j = 0;
                int pp;
                for(int ln = 13; ln >= 0; ln -- ){
                    pp = (j + (1 << ln));
                    if(pp < m){
                        nx = (frac){S[i][pp], 1ll};
                        if(tis < nx) {
                            SS = nx - tis;
                            SS = SS - need[i];
                            if(SS.A < 0) j = pp;
                        }
                        else{
                            j = pp;
                        }
                    }
                }
                j ++ ;
                nx = (frac){S[i][j], 1ll};
                SS = nx - tis;
                SS = SS - need[i];
                SS.B /= n;
                X = SS.A / SS.B;
                tis = (frac){j, 1} - (frac){X, n * 1ll * V[i][j]};
                if(tis < low){
                    low = tis;
                    idx = i;
                }
            }
        }
        pi[it] = idx;
        use[idx]=true;
        las = low;
        cout << (long long)low.A << " " << (long long)low.B << "\n";
    }
    for(int i = 1; i <= n; i ++ ){
        if(!use[i]){
            pi[n]=i;
        }
    }
    //return 0;
    for(int i = 1; i <= n; i ++ ){
        cout << pi[i] << " ";
    }
    cout << "\n";
    return 0;
}

Compilation message

naan.cpp: In function 'int main()':
naan.cpp:72:10: warning: unused variable 'cur' [-Wunused-variable]
   72 |     frac cur;
      |          ^~~
naan.cpp:77:9: warning: unused variable 'pos' [-Wunused-variable]
   77 |     int pos;
      |         ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 468 KB Output is correct

Subtask #3
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 41 ms 8876 KB Output is correct
44 Correct 273 ms 38176 KB Output is correct
45 Correct 128 ms 22028 KB Output is correct
46 Correct 15 ms 4052 KB Output is correct
47 Correct 180 ms 30180 KB Output is correct
48 Correct 275 ms 28908 KB Output is correct
49 Correct 78 ms 15208 KB Output is correct
50 Correct 469 ms 56132 KB Output is correct
51 Correct 179 ms 33156 KB Output is correct
52 Correct 410 ms 54272 KB Output is correct
53 Correct 359 ms 49376 KB Output is correct
54 Correct 1 ms 468 KB Output is correct
55 Correct 120 ms 14052 KB Output is correct
56 Correct 223 ms 41036 KB Output is correct
57 Correct 190 ms 36380 KB Output is correct
58 Correct 301 ms 44956 KB Output is correct
59 Correct 198 ms 35504 KB Output is correct
60 Correct 593 ms 63420 KB Output is correct
61 Correct 605 ms 63232 KB Output is correct
62 Correct 590 ms 63080 KB Output is correct
63 Correct 631 ms 63392 KB Output is correct
64 Correct 598 ms 63304 KB Output is correct
65 Correct 493 ms 63292 KB Output is correct
66 Correct 508 ms 63324 KB Output is correct
67 Correct 484 ms 63308 KB Output is correct
68 Correct 239 ms 37196 KB Output is correct
69 Correct 237 ms 39396 KB Output is correct
70 Correct 286 ms 40884 KB Output is correct
71 Correct 362 ms 50412 KB Output is correct