#include <bits/stdc++.h>
using namespace std;
struct data{
int e,x,y;
bool operator<(const data&r)const{
return x<r.x;
}
};
priority_queue<data> q[100010];
struct answer{
int x,y;
bool operator<(const answer&r)const{
return y>r.y;
}
}ans[300010];
int mn[100010],n,cnt;
int dfs(int p,int y){
if(p==n)return y;
while(!q[p].empty()&&q[p].top().x>=y){
data t=q[p].top();
q[p].pop();
mn[p]=min(mn[p],dfs(t.e,t.y));
}
return mn[p];
}
int main(){
int i,m,a,b,x,y;
scanf("%d%d",&n,&m);
for(i=1;i<=m;++i){
scanf("%d%d%d%d",&a,&b,&x,&y);
q[a].push({b,x,y});
}
for(i=1;i<=n;++i)mn[i]=1e8;
while(!q[1].empty()){
a=q[1].top().x;
ans[cnt++]={a,dfs(1,a)};
}
scanf("%d",&m);
for(;m--;){
answer t;
t.x=0;
scanf("%d",&t.y);
i=lower_bound(ans,ans+cnt,t)-ans;
printf("%d\n",i<cnt?ans[i].x:-1);
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
7580 KB |
Output is correct |
2 |
Correct |
0 ms |
7580 KB |
Output is correct |
3 |
Correct |
0 ms |
7580 KB |
Output is correct |
4 |
Correct |
0 ms |
7580 KB |
Output is correct |
5 |
Correct |
0 ms |
7580 KB |
Output is correct |
6 |
Correct |
0 ms |
7580 KB |
Output is correct |
7 |
Correct |
0 ms |
7580 KB |
Output is correct |
8 |
Correct |
0 ms |
7580 KB |
Output is correct |
9 |
Correct |
0 ms |
7580 KB |
Output is correct |
10 |
Correct |
0 ms |
7580 KB |
Output is correct |
11 |
Correct |
0 ms |
7580 KB |
Output is correct |
12 |
Correct |
0 ms |
7580 KB |
Output is correct |
13 |
Correct |
3 ms |
7612 KB |
Output is correct |
14 |
Correct |
2 ms |
7580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
7580 KB |
Output is correct |
2 |
Correct |
33 ms |
7580 KB |
Output is correct |
3 |
Correct |
49 ms |
7580 KB |
Output is correct |
4 |
Correct |
0 ms |
7580 KB |
Output is correct |
5 |
Correct |
3 ms |
7580 KB |
Output is correct |
6 |
Correct |
0 ms |
7580 KB |
Output is correct |
7 |
Correct |
23 ms |
7580 KB |
Output is correct |
8 |
Correct |
0 ms |
7580 KB |
Output is correct |
9 |
Correct |
39 ms |
7580 KB |
Output is correct |
10 |
Correct |
31 ms |
7580 KB |
Output is correct |
11 |
Correct |
22 ms |
7616 KB |
Output is correct |
12 |
Correct |
0 ms |
7580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
256 ms |
13520 KB |
Output is correct |
2 |
Correct |
219 ms |
13520 KB |
Output is correct |
3 |
Correct |
249 ms |
13520 KB |
Output is correct |
4 |
Correct |
193 ms |
13520 KB |
Output is correct |
5 |
Correct |
248 ms |
13520 KB |
Output is correct |
6 |
Correct |
194 ms |
13520 KB |
Output is correct |
7 |
Correct |
172 ms |
13388 KB |
Output is correct |
8 |
Correct |
291 ms |
13324 KB |
Output is correct |
9 |
Correct |
241 ms |
13560 KB |
Output is correct |
10 |
Correct |
188 ms |
14064 KB |
Output is correct |
11 |
Correct |
251 ms |
14056 KB |
Output is correct |
12 |
Correct |
190 ms |
14056 KB |
Output is correct |
13 |
Correct |
191 ms |
14056 KB |
Output is correct |
14 |
Correct |
201 ms |
14056 KB |
Output is correct |
15 |
Correct |
220 ms |
14064 KB |
Output is correct |
16 |
Correct |
81 ms |
18304 KB |
Output is correct |
17 |
Correct |
51 ms |
18304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
273 ms |
13520 KB |
Output is correct |
2 |
Correct |
249 ms |
13520 KB |
Output is correct |
3 |
Correct |
164 ms |
13520 KB |
Output is correct |
4 |
Correct |
196 ms |
13520 KB |
Output is correct |
5 |
Correct |
253 ms |
13520 KB |
Output is correct |
6 |
Correct |
264 ms |
13520 KB |
Output is correct |
7 |
Correct |
243 ms |
13388 KB |
Output is correct |
8 |
Correct |
245 ms |
13520 KB |
Output is correct |
9 |
Correct |
231 ms |
13560 KB |
Output is correct |
10 |
Correct |
218 ms |
14064 KB |
Output is correct |
11 |
Correct |
214 ms |
14056 KB |
Output is correct |
12 |
Correct |
321 ms |
14188 KB |
Output is correct |
13 |
Correct |
240 ms |
14064 KB |
Output is correct |
14 |
Correct |
230 ms |
14056 KB |
Output is correct |
15 |
Correct |
211 ms |
14064 KB |
Output is correct |
16 |
Correct |
68 ms |
18304 KB |
Output is correct |