#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pb push_back
#define x first
#define y second
#define pii pair<int, int>
#define p3i pair<pii, int>
#define pll pair<ll, ll>
#define p3l pair<pll, ll>
#define lseg L, (L+R)/2, N*2+1
#define rseg (L+R)/2+1, R, N*2+2
#define ub upper_bound
#define lb lower_bound
#define pq priority_queue
#define MN 1000000007
#define fox(k, x) for (int k=0; k<x; ++k)
#define fox1(k, x) for (int k=1; k<=x; ++k)
#define foxr(k, x) for (int k=x-1; k>=0; --k)
#define fox1r(k, x) for (int k=x; k>0; --k)
#define ms multiset
#define flood(x) memset(x, 0x3f3f3f3f, sizeof x)
#define drain(x) memset(x, 0, sizeof x)
#define rng() (rand() >> 3)*rand()
int n, m, k, t, a, b;
vector<pii> v[3005];
vector<ll> s;
bool p[1000005], u[3005];
void dfs2(int N, ll D){
fox(l, v[N].size()){
dfs2(v[N][l].x, D+v[N][l].y);
}
if (N<=n && D+t<=k){
p[D+t]=1;
//cout << D+t << endl;
}
}
void dfs(int N, ll D){
if (N>n){
//cout << N << ' ' << D << endl;
//fox(l, s.size()) cout << s[l] << ' '; cout << endl;
if (D==k){
u[N-n]=1;
return;
}
fox(l, s.size()){
if (D-s[l]<=k && p[D-s[l]]){
u[N-n]=1;
continue;
}
}
}
s.pb(D);
fox(l, v[N].size()){
dfs(v[N][l].x, D+v[N][l].y);
}
s.pop_back();
}
int main(){
cin >> n >> m >> k >> t;
++t;
fox1(l, n){
cin >> a >> b;
v[a].pb(mp(l, b+1));
}
fox1(l, m){
cin >> a >> b;
v[a].pb(mp(l+n, b+1));
}
dfs2(0, 0);
dfs(0, 0);
fox1(l, m){
if (u[l]) cout << "YES\n";
else cout << "NO\n";
}
return 0;
}
Compilation message
fil.cpp: In function 'void dfs2(int, long long int)':
fil.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define fox(k, x) for (int k=0; k<x; ++k)
^
fil.cpp:32:5: note: in expansion of macro 'fox'
fox(l, v[N].size()){
^
fil.cpp: In function 'void dfs(int, long long int)':
fil.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define fox(k, x) for (int k=0; k<x; ++k)
^
fil.cpp:48:9: note: in expansion of macro 'fox'
fox(l, s.size()){
^
fil.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define fox(k, x) for (int k=0; k<x; ++k)
^
fil.cpp:56:5: note: in expansion of macro 'fox'
fox(l, v[N].size()){
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
3064 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
3 ms |
3196 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
3064 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
