oj.uz

Submission #131855

# Submission time Handle Problem Language Result Execution time Memory
131855 2019-07-17T19:53:23 Z hamzqq9 Naan (JOI19_naan) C++14
100 / 100
 927 ms 96504 KB 
#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define ii pair<int,int>
#define ll long long
#define orta ((bas+son)>>1)
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define inf 10000000000000
#define N 2019
#define MOD 998244353
using namespace std;
 
#define greater bos
 
struct frac {
 
	ll u;
	int d;
 
};
 
bool greateq(frac a,frac b) {
	
	return 1.0*a.u/a.d>=1.0*b.u/b.d;
 
}
 
bool greater(frac a,frac b) {

	return 1.0*a.u/a.d>1.0*b.u/b.d;
 
}
 
int n,l;
int v[N][N],pre[N][N],u[N],ptr[N];
vector<frac> cp[N];
 
int main() {
 
	scanf("%d %d",&n,&l);
 
	for(int i=1;i<=n;i++) {
 
		for(int j=1;j<=l;j++) {
 
			scanf("%d",&v[i][j]);

			pre[i][j]=pre[i][j-1]+v[i][j];
  
		}
 
	}	
 
	for(int i=1;i<=n;i++) {
 
		cp[i].pb({0,1});

		for(int j=1;j<=n;j++) {

			int bas=1,son=l;

			while(bas<=son) {

				if((ll)pre[i][orta]*n<(ll)pre[i][l]*j) bas=orta+1;
				else son=orta-1;

			}

			// w==(j*sum-n*pre[i][son]+son*v[i][bas]*n)/v[i][bas]*n

			cp[i].pb({(ll)j*pre[i][l]-(ll)n*pre[i][son]+(ll)son*v[i][bas]*n,v[i][bas]*n});

		}	
 
	}
 
	vector<frac> res;
	vector<int> ans;
 
	for(int i=1;i<=n;i++) {
 
		frac mn={inf,1};
		int tut=-1;
 
		for(int j=1;j<=n;j++) {
 
			if(u[j]) continue ;
 
			while(sz(res) && ptr[j]<n && greater(res.back(),cp[j][ptr[j]])) {
 
				++ptr[j];
 
			}
 
			if(ptr[j]<n) {
 
				if(greater(mn,cp[j][ptr[j]+1])) {
 
 					mn=cp[j][ptr[j]+1];
					tut=j;
 
				}
 
			}
 
		}
 
		ans.pb(tut);
		u[tut]=1;
 
		res.pb(mn);
 
	}
 
	res.ppb();
 
	for(auto x:res) printf("%lld %d\n",x.u,x.d);
 
	for(auto x:ans) printf("%d ",x);
 
}

Compilation message

naan.cpp: In function 'int main()':
naan.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&l);
  ~~~~~^~~~~~~~~~~~~~~
naan.cpp:49:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&v[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 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 3 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 372 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 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 252 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 376 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 3 ms 508 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 508 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 3 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 504 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 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 3 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 372 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 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 252 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 4 ms 504 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 376 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 3 ms 508 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 504 KB Output is correct
29 Correct 3 ms 504 KB Output is correct
30 Correct 3 ms 504 KB Output is correct
31 Correct 3 ms 504 KB Output is correct
32 Correct 3 ms 508 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 504 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 3 ms 504 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 77 ms 14328 KB Output is correct
44 Correct 446 ms 57064 KB Output is correct
45 Correct 247 ms 21668 KB Output is correct
46 Correct 33 ms 2552 KB Output is correct
47 Correct 311 ms 31736 KB Output is correct
48 Correct 270 ms 82424 KB Output is correct
49 Correct 98 ms 25208 KB Output is correct
50 Correct 469 ms 94812 KB Output is correct
51 Correct 242 ms 38264 KB Output is correct
52 Correct 491 ms 80356 KB Output is correct
53 Correct 390 ms 78384 KB Output is correct
54 Correct 3 ms 504 KB Output is correct
55 Correct 120 ms 49656 KB Output is correct
56 Correct 314 ms 52316 KB Output is correct
57 Correct 256 ms 47144 KB Output is correct
58 Correct 371 ms 79608 KB Output is correct
59 Correct 284 ms 42424 KB Output is correct
60 Correct 927 ms 96376 KB Output is correct
61 Correct 927 ms 96280 KB Output is correct
62 Correct 920 ms 96184 KB Output is correct
63 Correct 923 ms 96344 KB Output is correct
64 Correct 925 ms 96376 KB Output is correct
65 Correct 606 ms 96248 KB Output is correct
66 Correct 612 ms 96368 KB Output is correct
67 Correct 646 ms 96504 KB Output is correct
68 Correct 364 ms 58048 KB Output is correct
69 Correct 399 ms 49116 KB Output is correct
70 Correct 477 ms 70504 KB Output is correct
71 Correct 597 ms 71580 KB Output is correct