oj.uz

Submission #402582

# Submission time Handle Problem Language Result Execution time Memory
402582 2021-05-12T02:10:35 Z jamezzz Colors (RMI18_colors) C++14
0 / 100
 3000 ms 6908 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#include <ext/rope>
using namespace __gnu_cxx;

typedef tree<long long, null_type, less<long long>,
rb_tree_tag, tree_order_statistics_node_update> pbds;
//less_equal for identical elements

#define DEBUG

#ifdef DEBUG
#define debug(...) printf(__VA_ARGS__);
#else
#define debug(...)
#endif
#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb emplace_back
#define sz(x) (int)x.size()
#define mnto(x,y) x=min(x,(__typeof__(x))y)
#define mxto(x,y) x=max(x,(__typeof__(x))y)
#define INF 1023456789
#define LINF 1023456789123456789
#define all(x) x.begin(), x.end()
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<pll> vll;

int n,m,a[150005],b[150005],u,v;
bool found,vis[150005];
vi AL[150005];
stack<int> s;

void dfs(int u,int w){
	if(a[u]==w)found=true;
	vis[u]=true;s.push(u);
	for(int v:AL[u]){
		if(vis[v]||w<b[v]||a[v]<w)continue;
		dfs(v,w);
	}
}

int main(){
	int t;sf("%d",&t);
	while(t--){
		sf("%d%d",&n,&m);
		bool pos=true;
		for(int i=1;i<=n;++i){
			AL[i].clear();
			sf("%d",&a[i]);
		}
		for(int i=1;i<=n;++i){
			sf("%d",&b[i]);
			if(b[i]>a[i])pos=false;
		}
		for(int i=0;i<m;++i){
			sf("%d%d",&u,&v);
			AL[u].pb(v);
			AL[v].pb(u);
		}
		for(int i=1;i<=n;++i){
			found=false;dfs(i,b[i]);
			pos=pos&&found;
			if(!pos)break;
			while(!s.empty())vis[s.top()]=false,s.pop();
		}
		pf("%d\n",pos);
	}
}

Compilation message

colors.cpp: In function 'int main()':
colors.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |  int t;sf("%d",&t);
      |          ^
colors.cpp:58:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |   sf("%d%d",&n,&m);
      |     ^
colors.cpp:62:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |    sf("%d",&a[i]);
      |      ^
colors.cpp:65:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |    sf("%d",&b[i]);
      |      ^
colors.cpp:69:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |    sf("%d%d",&u,&v);
      |      ^

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 102 ms 5316 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 103 ms 5500 KB Output isn't correct

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 93 ms 5216 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 93 ms 5216 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 102 ms 5316 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 243 ms 6908 KB Output is correct
2 Execution timed out 3088 ms 6212 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 51 ms 4604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 102 ms 5316 KB Output isn't correct
2 Halted 0 ms 0 KB -