oj.uz

Submission #582177

# Submission time Handle Problem Language Result Execution time Memory
582177 2022-06-23T13:26:22 Z Koosha_mv Simurgh (IOI17_simurgh) C++14
51 / 100
 183 ms 3416 KB 
#include "simurgh.h"
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
 
const int N=505;
 
int n,m,mark[N],comp[N],cnt[N],pdge[N],Max[N],par[N];
vector<int> edge,ans;
vector<pair<int,int>> g[N];

bool cmp(pair<int,int> a,pair<int,int> b){
	return mark[a.F]>mark[b.F];
}
void dfs(int u,int col){
	comp[u]=col;
	for(auto [v,id] : g[u]){
		if(comp[v]) continue ;
		edge.pb(id);
		dfs(v,col);
	}
}
int ask(vector<int> &vec){
	return count_common_roads(vec);
}
vector<int> find_roads(int _n,vector<int> u,vector<int> v){
	vector<int> ans;
	n=_n,m=u.size();
	f(i,0,m) g[u[i]].pb({v[i],i}),g[v[i]].pb({u[i],i});
	queue<int> q;
	q.push(0);
	mark[0]=1;
	while(q.size()){
		edge.clear();
		int u=q.front();
		q.pop();
		f(i,0,n) comp[i]=Max[i]=0,cnt[i]=-1; comp[u]=1;
		int col=0;
		f(i,0,g[u].size()) if(g[u][i].F==par[u]) swap(g[u][0],g[u][i]);
		for(auto [v,id] : g[u]){
			if(comp[v]==0){
				col++;
				dfs(v,col);
				pdge[col]=id;
				edge.pb(id);
			}
		}
		int res=ask(edge);
		for(auto [v,id] : g[u]){
			if(pdge[comp[v]]==id){
				cnt[v]=res;
				maxm(Max[comp[v]],cnt[v]);
			}
		}
		for(auto [v,id] : g[u]){
			if(pdge[comp[v]]==id || mark[v]) continue ;
			vector<int> vec;
			for(auto x : edge){
				if(x!=pdge[comp[v]])
				vec.pb(x);
			}
			vec.pb(id);
			cnt[v]=ask(vec);
			maxm(Max[comp[v]],cnt[v]);
			
		}
		for(auto [v,id] : g[u]){
			if(Max[comp[v]]==cnt[v] && mark[v]==0){
				mark[v]=1;
				par[v]=u;
				q.push(v);
				ans.pb(id);
			}
		}
	}
	//dbgv(ans);
	return ans;
}

Compilation message

simurgh.cpp: In function 'void dfs(int, int)':
simurgh.cpp:35:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   35 |  for(auto [v,id] : g[u]){
      |           ^
simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:9:18: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    9 | #define f(i,a,b) for(int i=a;i<b;i++)
      |                  ^~~
simurgh.cpp:55:3: note: in expansion of macro 'f'
   55 |   f(i,0,n) comp[i]=Max[i]=0,cnt[i]=-1; comp[u]=1;
      |   ^
simurgh.cpp:55:40: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   55 |   f(i,0,n) comp[i]=Max[i]=0,cnt[i]=-1; comp[u]=1;
      |                                        ^~~~
simurgh.cpp:9:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   57 |   f(i,0,g[u].size()) if(g[u][i].F==par[u]) swap(g[u][0],g[u][i]);
      |     ~~~~~~~~~~~~~~~            
simurgh.cpp:57:3: note: in expansion of macro 'f'
   57 |   f(i,0,g[u].size()) if(g[u][i].F==par[u]) swap(g[u][0],g[u][i]);
      |   ^
simurgh.cpp:58:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   58 |   for(auto [v,id] : g[u]){
      |            ^
simurgh.cpp:67:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   67 |   for(auto [v,id] : g[u]){
      |            ^
simurgh.cpp:73:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   73 |   for(auto [v,id] : g[u]){
      |            ^
simurgh.cpp:85:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   85 |   for(auto [v,id] : g[u]){
      |            ^

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB correct
2 Correct 0 ms 212 KB correct
3 Correct 0 ms 212 KB correct
4 Correct 0 ms 212 KB correct
5 Correct 1 ms 212 KB correct
6 Correct 0 ms 212 KB correct
7 Correct 1 ms 212 KB correct
8 Correct 0 ms 212 KB correct
9 Correct 1 ms 212 KB correct
10 Correct 0 ms 212 KB correct
11 Correct 0 ms 212 KB correct
12 Correct 1 ms 212 KB correct
13 Correct 0 ms 212 KB correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB correct
2 Correct 0 ms 212 KB correct
3 Correct 0 ms 212 KB correct
4 Correct 0 ms 212 KB correct
5 Correct 1 ms 212 KB correct
6 Correct 0 ms 212 KB correct
7 Correct 1 ms 212 KB correct
8 Correct 0 ms 212 KB correct
9 Correct 1 ms 212 KB correct
10 Correct 0 ms 212 KB correct
11 Correct 0 ms 212 KB correct
12 Correct 1 ms 212 KB correct
13 Correct 0 ms 212 KB correct
14 Correct 2 ms 340 KB correct
15 Correct 1 ms 340 KB correct
16 Correct 1 ms 340 KB correct
17 Correct 2 ms 340 KB correct
18 Correct 1 ms 340 KB correct
19 Correct 3 ms 340 KB correct
20 Correct 2 ms 340 KB correct
21 Correct 2 ms 340 KB correct
22 Correct 2 ms 340 KB correct
23 Correct 1 ms 340 KB correct
24 Correct 1 ms 340 KB correct
25 Correct 1 ms 212 KB correct
26 Correct 1 ms 340 KB correct
27 Correct 2 ms 340 KB correct
28 Correct 1 ms 212 KB correct
29 Correct 1 ms 212 KB correct
30 Correct 1 ms 340 KB correct
31 Correct 1 ms 340 KB correct
32 Correct 2 ms 340 KB correct
33 Correct 2 ms 340 KB correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB correct
2 Correct 0 ms 212 KB correct
3 Correct 0 ms 212 KB correct
4 Correct 0 ms 212 KB correct
5 Correct 1 ms 212 KB correct
6 Correct 0 ms 212 KB correct
7 Correct 1 ms 212 KB correct
8 Correct 0 ms 212 KB correct
9 Correct 1 ms 212 KB correct
10 Correct 0 ms 212 KB correct
11 Correct 0 ms 212 KB correct
12 Correct 1 ms 212 KB correct
13 Correct 0 ms 212 KB correct
14 Correct 2 ms 340 KB correct
15 Correct 1 ms 340 KB correct
16 Correct 1 ms 340 KB correct
17 Correct 2 ms 340 KB correct
18 Correct 1 ms 340 KB correct
19 Correct 3 ms 340 KB correct
20 Correct 2 ms 340 KB correct
21 Correct 2 ms 340 KB correct
22 Correct 2 ms 340 KB correct
23 Correct 1 ms 340 KB correct
24 Correct 1 ms 340 KB correct
25 Correct 1 ms 212 KB correct
26 Correct 1 ms 340 KB correct
27 Correct 2 ms 340 KB correct
28 Correct 1 ms 212 KB correct
29 Correct 1 ms 212 KB correct
30 Correct 1 ms 340 KB correct
31 Correct 1 ms 340 KB correct
32 Correct 2 ms 340 KB correct
33 Correct 2 ms 340 KB correct
34 Correct 128 ms 1348 KB correct
35 Correct 130 ms 1520 KB correct
36 Correct 78 ms 1340 KB correct
37 Correct 11 ms 340 KB correct
38 Correct 183 ms 1536 KB correct
39 Correct 78 ms 1352 KB correct
40 Correct 82 ms 1236 KB correct
41 Correct 23 ms 1568 KB correct
42 Correct 22 ms 1496 KB correct
43 Correct 72 ms 1136 KB correct
44 Correct 62 ms 876 KB correct
45 Correct 79 ms 924 KB correct
46 Correct 60 ms 820 KB correct
47 Correct 25 ms 468 KB correct
48 Correct 5 ms 340 KB correct
49 Correct 9 ms 408 KB correct
50 Correct 26 ms 584 KB correct
51 Correct 71 ms 936 KB correct
52 Correct 72 ms 864 KB correct
53 Correct 60 ms 724 KB correct
54 Correct 86 ms 1140 KB correct
55 Correct 73 ms 836 KB correct
56 Correct 72 ms 940 KB correct
57 Correct 79 ms 948 KB correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB correct
2 Correct 0 ms 212 KB correct
3 Incorrect 117 ms 3416 KB WA in grader: NO
4 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB correct
2 Correct 0 ms 212 KB correct
3 Correct 0 ms 212 KB correct
4 Correct 0 ms 212 KB correct
5 Correct 1 ms 212 KB correct
6 Correct 0 ms 212 KB correct
7 Correct 1 ms 212 KB correct
8 Correct 0 ms 212 KB correct
9 Correct 1 ms 212 KB correct
10 Correct 0 ms 212 KB correct
11 Correct 0 ms 212 KB correct
12 Correct 1 ms 212 KB correct
13 Correct 0 ms 212 KB correct
14 Correct 2 ms 340 KB correct
15 Correct 1 ms 340 KB correct
16 Correct 1 ms 340 KB correct
17 Correct 2 ms 340 KB correct
18 Correct 1 ms 340 KB correct
19 Correct 3 ms 340 KB correct
20 Correct 2 ms 340 KB correct
21 Correct 2 ms 340 KB correct
22 Correct 2 ms 340 KB correct
23 Correct 1 ms 340 KB correct
24 Correct 1 ms 340 KB correct
25 Correct 1 ms 212 KB correct
26 Correct 1 ms 340 KB correct
27 Correct 2 ms 340 KB correct
28 Correct 1 ms 212 KB correct
29 Correct 1 ms 212 KB correct
30 Correct 1 ms 340 KB correct
31 Correct 1 ms 340 KB correct
32 Correct 2 ms 340 KB correct
33 Correct 2 ms 340 KB correct
34 Correct 128 ms 1348 KB correct
35 Correct 130 ms 1520 KB correct
36 Correct 78 ms 1340 KB correct
37 Correct 11 ms 340 KB correct
38 Correct 183 ms 1536 KB correct
39 Correct 78 ms 1352 KB correct
40 Correct 82 ms 1236 KB correct
41 Correct 23 ms 1568 KB correct
42 Correct 22 ms 1496 KB correct
43 Correct 72 ms 1136 KB correct
44 Correct 62 ms 876 KB correct
45 Correct 79 ms 924 KB correct
46 Correct 60 ms 820 KB correct
47 Correct 25 ms 468 KB correct
48 Correct 5 ms 340 KB correct
49 Correct 9 ms 408 KB correct
50 Correct 26 ms 584 KB correct
51 Correct 71 ms 936 KB correct
52 Correct 72 ms 864 KB correct
53 Correct 60 ms 724 KB correct
54 Correct 86 ms 1140 KB correct
55 Correct 73 ms 836 KB correct
56 Correct 72 ms 940 KB correct
57 Correct 79 ms 948 KB correct
58 Correct 1 ms 212 KB correct
59 Correct 0 ms 212 KB correct
60 Incorrect 117 ms 3416 KB WA in grader: NO
61 Halted 0 ms 0 KB -