oj.uz

Submission #131829

# Submission time Handle Problem Language Result Execution time Memory
131829 2019-07-17T18:13:19 Z ekrem Naan (JOI19_naan) C++
100 / 100
 2575 ms 188920 KB 
#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define sol (k+k)
#define sag (k+k+1)
#define orta ((bas+son)/2)
#define coc g[node][i]
#define mod 1000000007
#define inf 1000000009
#define N 2005
using namespace std;

typedef long long ll;
typedef pair < ll , ll > ii;

ll n, m, bul, top[N], ans[N], u[N], a[N][N], pre[N][N];
pair < double , ll > b[N][N];
ii c[N][N];

ll gcd(ll x, ll y){
	if(!x or !y)
		return x + y;
	return gcd(y%x, x);
}

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	scanf("%lld %lld",&n ,&m);
	for(ll i = 1; i <= n; i++)
		for(ll j = 1; j <= m; j++){
			scanf("%lld",&a[i][j]);
			top[i] += a[i][j];
			a[i][j] *= n;
			pre[i][j] = pre[i][j - 1] + a[i][j];
		}
	for(ll i = 1; i < n; i++){
		for(ll j = 1; j <= n; j++){
			bul = top[j]*i;
			ll ind = upper_bound(pre[j] + 1, pre[j] + m + 1, bul) - pre[j] - 1;
			// cout << j << " " << i << " " <<bul << " " << ind << " " << pre[j][ind] << endl;
			bul -= pre[j][ind];
			ll x = ind*a[j][ind + 1] + bul;
			ll y = a[j][ind + 1];
			ll gg = gcd(x, y);
			x /= gg;y /= gg;
			// cout << x << " " << y << endl;
			b[i][j] = mp(1.0*x/y, j);
			c[i][j] = mp(x, y);
		}
		sort(b[i] + 1, b[i] + n + 1);
	}
	for(ll i = 1; i <= n; i++)
		b[n][i] = mp(0.0, i);
	for(ll i = 1; i <= n; i++){
		for(ll j = 1; j <= n; j++){
			if(!u[b[i][j].nd]){
				ans[i] = b[i][j].nd;
				u[ans[i]] = 1;
				if(i != n)
					printf("%lld %lld\n", c[i][ans[i]].st, c[i][ans[i]].nd);
				break;
			}
		}
	}
	for(ll i = 1; i <= n; i++)
		printf("%lld ", ans[i]);
	return 0;
}

Compilation message

naan.cpp: In function 'int main()':
naan.cpp:31:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&n ,&m);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
naan.cpp:34:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lld",&a[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 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 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 3 ms 376 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 4 ms 604 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 4 ms 632 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 4 ms 632 KB Output is correct
17 Correct 3 ms 632 KB Output is correct
18 Correct 3 ms 632 KB Output is correct
19 Correct 3 ms 632 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 632 KB Output is correct
22 Correct 3 ms 632 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 508 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 3 ms 508 KB Output is correct

Subtask #3
71.0 / 71.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 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 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 3 ms 504 KB Output is correct
25 Correct 4 ms 604 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 3 ms 504 KB Output is correct
29 Correct 4 ms 632 KB Output is correct
30 Correct 3 ms 504 KB Output is correct
31 Correct 4 ms 632 KB Output is correct
32 Correct 3 ms 632 KB Output is correct
33 Correct 3 ms 632 KB Output is correct
34 Correct 3 ms 632 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 632 KB Output is correct
37 Correct 3 ms 632 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 3 ms 508 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 3 ms 508 KB Output is correct
43 Correct 204 ms 23388 KB Output is correct
44 Correct 1292 ms 107636 KB Output is correct
45 Correct 441 ms 42580 KB Output is correct
46 Correct 39 ms 5496 KB Output is correct
47 Correct 745 ms 68472 KB Output is correct
48 Correct 2195 ms 146584 KB Output is correct
49 Correct 467 ms 45644 KB Output is correct
50 Correct 2575 ms 180016 KB Output is correct
51 Correct 849 ms 75516 KB Output is correct
52 Correct 2094 ms 159840 KB Output is correct
53 Correct 1923 ms 151636 KB Output is correct
54 Correct 3 ms 504 KB Output is correct
55 Correct 951 ms 87032 KB Output is correct
56 Correct 1075 ms 104016 KB Output is correct
57 Correct 897 ms 91816 KB Output is correct
58 Correct 1645 ms 149368 KB Output is correct
59 Correct 859 ms 83576 KB Output is correct
60 Correct 1897 ms 188920 KB Output is correct
61 Correct 1968 ms 188640 KB Output is correct
62 Correct 2313 ms 188152 KB Output is correct
63 Correct 2120 ms 188792 KB Output is correct
64 Correct 2007 ms 188744 KB Output is correct
65 Correct 2182 ms 188628 KB Output is correct
66 Correct 2161 ms 188820 KB Output is correct
67 Correct 2004 ms 188792 KB Output is correct
68 Correct 824 ms 108264 KB Output is correct
69 Correct 767 ms 97292 KB Output is correct
70 Correct 1063 ms 131128 KB Output is correct
71 Correct 1228 ms 142204 KB Output is correct