oj.uz

Submission #132075

# Submission time Handle Problem Language Result Execution time Memory
132075 2019-07-18T09:30:56 Z MvC Bridges (APIO19_bridges) C++11
13 / 100
 79 ms 14236 KB 
#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
//#include "job.h"
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=1e5+50;
const int mmax=1e3+50;
const int mod=1e9+7;
using namespace std;
int x,y,z,nr,vz[mmax],q,i,t,n,m;
vector<pair<pair<int,int>,int> >e;
vector<int>a[nmax];
void dfs(int x,int z)
{
	vz[x]=1;
	nr++;
	for(int i=0;i<a[x].size();i++)
	{
		int y=a[x][i],u=x^e[y].fr.fr^e[y].fr.sc;
		if(vz[u] || e[y].sc<z)continue;
		dfs(u,z);
	}
}
int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	cin>>n>>m;
	for(i=1;i<=m;i++)
	{
		cin>>x>>y>>z;
		a[x].pb(i-1);
		a[y].pb(i-1);
		e.pb(mkp(mkp(x,y),z));
	}
	cin>>q;
	while(q--)
	{
		cin>>t>>x>>z;
		if(t==1)
		{
			x--;
			e[x].sc=z;
		}
		else
		{
			memset(vz,0,sizeof(vz));
			nr=0;
			dfs(x,z);
			cout<<nr<<'\n';
		}
	}
    return 0;
}

Compilation message

bridges.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("O3")
 
bridges.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("unroll-loops")
 
bridges.cpp: In function 'void dfs(int, int)':
bridges.cpp:30:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<a[x].size();i++)
              ~^~~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 5 ms 2680 KB Output is correct
3 Correct 58 ms 3064 KB Output is correct
4 Correct 9 ms 2808 KB Output is correct
5 Correct 13 ms 2924 KB Output is correct
6 Correct 12 ms 2808 KB Output is correct
7 Correct 11 ms 2808 KB Output is correct
8 Correct 12 ms 2808 KB Output is correct
9 Correct 13 ms 2808 KB Output is correct
10 Correct 10 ms 2808 KB Output is correct
11 Correct 9 ms 2808 KB Output is correct
12 Correct 9 ms 2808 KB Output is correct
13 Correct 13 ms 2808 KB Output is correct
14 Correct 11 ms 2808 KB Output is correct
15 Correct 13 ms 2904 KB Output is correct
16 Correct 11 ms 2808 KB Output is correct
17 Correct 11 ms 2844 KB Output is correct

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 35 ms 10924 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 26 ms 8976 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 79 ms 14236 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 35 ms 10924 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 5 ms 2680 KB Output is correct
3 Correct 58 ms 3064 KB Output is correct
4 Correct 9 ms 2808 KB Output is correct
5 Correct 13 ms 2924 KB Output is correct
6 Correct 12 ms 2808 KB Output is correct
7 Correct 11 ms 2808 KB Output is correct
8 Correct 12 ms 2808 KB Output is correct
9 Correct 13 ms 2808 KB Output is correct
10 Correct 10 ms 2808 KB Output is correct
11 Correct 9 ms 2808 KB Output is correct
12 Correct 9 ms 2808 KB Output is correct
13 Correct 13 ms 2808 KB Output is correct
14 Correct 11 ms 2808 KB Output is correct
15 Correct 13 ms 2904 KB Output is correct
16 Correct 11 ms 2808 KB Output is correct
17 Correct 11 ms 2844 KB Output is correct
18 Runtime error 35 ms 10924 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Halted 0 ms 0 KB -