oj.uz

Submission #123921

# Submission time Handle Problem Language Result Execution time Memory
123921 2019-07-02T09:40:43 Z gs14004 Naan (JOI19_naan) C++17
100 / 100
 645 ms 82616 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2005;
using lint = long long;
using pi = pair<lint, lint>;

int n, m;
int a[MAXN][MAXN];

vector<pi> frac;
vector<int> who;

pi howLeft[MAXN][MAXN];
bool vis[MAXN];

auto cmp = [](pi a, pi b){
	return (__int128)a.first * b.second < (__int128) b.first * a.second;
};

int main(){
	scanf("%d %d",&n,&m);
	for(int i=1; i<=n; i++){
		for(int j=1; j<=m; j++){
			scanf("%d",&a[i][j]);
		}
	}
	for(int i=1; i<=n; i++){
		lint sum = 0;
		for(int j=1; j<=m; j++){
			sum += a[i][j];
		}
		lint curSum = 0;
		howLeft[i][0] = pi(0, 1);
		int ptr = 0;
		for(int j=1; j<n; j++){
			while(curSum + a[i][ptr+1] * n<= sum * j){
				curSum += a[i][++ptr] * n;
			}
			lint tmp = sum * j - curSum;
			auto frac = pi(tmp, a[i][ptr + 1] * n);
			frac.first += 1ll * ptr * n * a[i][ptr + 1];
			howLeft[i][j] = frac;
		}
		howLeft[i][n] = pi(m, 1);
	}
	for(int i=1; i<=n; i++){
		pi minv(m + 1, 1);
		int pos = 1;
		for(int j=1; j<=n; j++){
			if(!vis[j] && cmp(howLeft[j][i], minv)){
				minv = howLeft[j][i];
				pos = j;
			}
		}
		vis[pos] = 1;
		who.push_back(pos);
		if(i < n) frac.push_back(minv);
	}
	for(auto &i : frac) printf("%lld %lld\n", i.first, i.second);
	for(auto &i : who) printf("%d ", i);
}

Compilation message

naan.cpp: In function 'int main()':
naan.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
naan.cpp:24:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&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 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 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 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 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 3 ms 376 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 380 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 3 ms 376 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 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 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
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 376 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 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 3 ms 376 KB Output is correct
43 Correct 51 ms 12408 KB Output is correct
44 Correct 309 ms 51780 KB Output is correct
45 Correct 204 ms 19548 KB Output is correct
46 Correct 31 ms 3068 KB Output is correct
47 Correct 235 ms 30936 KB Output is correct
48 Correct 168 ms 71928 KB Output is correct
49 Correct 71 ms 22136 KB Output is correct
50 Correct 347 ms 81504 KB Output is correct
51 Correct 192 ms 33400 KB Output is correct
52 Correct 381 ms 70264 KB Output is correct
53 Correct 288 ms 68448 KB Output is correct
54 Correct 3 ms 376 KB Output is correct
55 Correct 67 ms 43388 KB Output is correct
56 Correct 246 ms 45816 KB Output is correct
57 Correct 195 ms 40824 KB Output is correct
58 Correct 260 ms 69768 KB Output is correct
59 Correct 229 ms 36856 KB Output is correct
60 Correct 637 ms 80548 KB Output is correct
61 Correct 644 ms 80636 KB Output is correct
62 Correct 645 ms 80292 KB Output is correct
63 Correct 638 ms 80820 KB Output is correct
64 Correct 641 ms 80732 KB Output is correct
65 Correct 479 ms 82468 KB Output is correct
66 Correct 480 ms 82576 KB Output is correct
67 Correct 481 ms 82616 KB Output is correct
68 Correct 239 ms 50432 KB Output is correct
69 Correct 285 ms 42872 KB Output is correct
70 Correct 269 ms 61600 KB Output is correct
71 Correct 414 ms 63100 KB Output is correct