답안 #28646

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
28646 2017-07-16T08:21:50 Z ㅁㄴㅇㄹ(#1150, TAMREF, Diuven, suhgyuho_william) Alternative Mart (FXCUP2_mart) C++11
1 / 1
779 ms 19996 KB
#include <bits/stdc++.h>
#define va first
#define vb second
#define mp make_pair
#define all(x) x.begin(),x.end()
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii,int> pt;
const int mx=50005, inf=1e9;
int N,M,K,Q;
vector<pii> G[mx];
pii dist[mx][12];
int hi[mx];
void input(){
    scanf("%d%d%d%d",&N,&M,&K,&Q);
    for(int i=0;i<K;i++){
        scanf("%d",&hi[i]);
    }
    for(int i=0,a,b,c;i<M;i++){
        scanf("%d%d%d",&a,&b,&c);
        G[a].push_back(mp(b,c));
        G[b].push_back(mp(a,c));
    }
    for(int i=0;i<mx;i++) fill(dist[i],dist[i]+11,mp(inf,0));
}
void dijk(){
    priority_queue<pt,vector<pt>,greater<pt>> q;
    for(int i=0;i<K;i++){
        dist[hi[i]][0]=mp(0,hi[i]);
        q.push(mp(dist[hi[i]][0],hi[i]));
    }
    pt u;
    int rodong;
    while(!q.empty()){
        u=q.top(); q.pop(); //u.va.va : cost, u.va.vb : source
        int p;
        if(dist[u.vb][10]<u.va) continue;
        for(pii x : G[u.vb]){ //x.va : vertex, x.vb : cost
            for(p=0;p<11;p++){
                if(dist[x.va][p].vb==u.va.vb){
                    if(dist[x.va][p].va>u.va.va+x.vb){
                        dist[x.va][p].va=u.va.va+x.vb;
                        q.push(mp(dist[x.va][p],x.va));
                        sort(dist[x.va],dist[x.va]+11);
                    }
                    goto term;
                }
            }
            for(p=11;p;p--) dist[x.va][p]=dist[x.va][p-1];
            for(int p=1;p<=11;p++){
                if(dist[x.va][p]>mp(u.va.va+x.vb,u.va.vb)){
                    dist[x.va][p-1]=mp(u.va.va+x.vb,u.va.vb);
                    q.push(mp(dist[x.va][p-1],x.va));
                    break;
                }else{
                    dist[x.va][p-1]=dist[x.va][p];
                }
            }
            term:
            rodong=rodong;
        }
    }
}
void debug(){
    for(int i=1;i<=N;i++){
        for(int j=0;j<11;j++){
            printf("(%d from %d) ",dist[i][j].va==inf?-1:dist[i][j].va,dist[i][j].vb);
        } puts("");
    }
}
void query(){
    int X,S,v;
    unordered_set<int> u;
    for(;Q--;){
        u.clear();
        scanf("%d%d",&S,&X);
        for(int i=0;i<X;i++){
            scanf("%d",&v);
            u.insert(v);
        }
        for(int i=0;i<11;i++){
            if(u.find(dist[S][i].vb)==u.end()){
                printf("%d %d\n",dist[S][i].vb,dist[S][i].va);
                break;
            }
        }
    }
}
int main(){
    //freopen("input.txt","rt",stdin);
    input();
    dijk();
    //debug();
    query();
}

Compilation message

mart.cpp: In function 'void input()':
mart.cpp:15:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d",&N,&M,&K,&Q);
                                  ^
mart.cpp:17:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&hi[i]);
                           ^
mart.cpp:20:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&a,&b,&c);
                                 ^
mart.cpp: In function 'void query()':
mart.cpp:76:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&S,&X);
                            ^
mart.cpp:78:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&v);
                           ^
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 8084 KB Output is correct
2 Correct 0 ms 8084 KB Output is correct
3 Correct 3 ms 8084 KB Output is correct
4 Correct 0 ms 8084 KB Output is correct
5 Correct 3 ms 8084 KB Output is correct
6 Correct 3 ms 8084 KB Output is correct
7 Correct 3 ms 8228 KB Output is correct
8 Correct 6 ms 8084 KB Output is correct
9 Correct 19 ms 8840 KB Output is correct
10 Correct 19 ms 8832 KB Output is correct
11 Correct 29 ms 8540 KB Output is correct
12 Correct 33 ms 8216 KB Output is correct
13 Correct 183 ms 14996 KB Output is correct
14 Correct 219 ms 15000 KB Output is correct
15 Correct 93 ms 10220 KB Output is correct
16 Correct 99 ms 9668 KB Output is correct
17 Correct 443 ms 11188 KB Output is correct
18 Correct 289 ms 9668 KB Output is correct
19 Correct 476 ms 12344 KB Output is correct
20 Correct 383 ms 9668 KB Output is correct
21 Correct 493 ms 12340 KB Output is correct
22 Correct 423 ms 9820 KB Output is correct
23 Correct 506 ms 14644 KB Output is correct
24 Correct 523 ms 12036 KB Output is correct
25 Correct 483 ms 14644 KB Output is correct
26 Correct 536 ms 12036 KB Output is correct
27 Correct 106 ms 10660 KB Output is correct
28 Correct 109 ms 10364 KB Output is correct
29 Correct 596 ms 12668 KB Output is correct
30 Correct 489 ms 11152 KB Output is correct
31 Correct 533 ms 14808 KB Output is correct
32 Correct 406 ms 11040 KB Output is correct
33 Correct 419 ms 12420 KB Output is correct
34 Correct 553 ms 15104 KB Output is correct
35 Correct 466 ms 14804 KB Output is correct
36 Correct 599 ms 14940 KB Output is correct
37 Correct 639 ms 19728 KB Output is correct
38 Correct 529 ms 15036 KB Output is correct
39 Correct 93 ms 11348 KB Output is correct
40 Correct 89 ms 11348 KB Output is correct
41 Correct 439 ms 15376 KB Output is correct
42 Correct 753 ms 15384 KB Output is correct
43 Correct 749 ms 15380 KB Output is correct
44 Correct 693 ms 15384 KB Output is correct
45 Correct 763 ms 15380 KB Output is correct
46 Correct 766 ms 15388 KB Output is correct
47 Correct 696 ms 19984 KB Output is correct
48 Correct 763 ms 19988 KB Output is correct
49 Correct 603 ms 19988 KB Output is correct
50 Correct 779 ms 19996 KB Output is correct
51 Correct 649 ms 19980 KB Output is correct
52 Correct 689 ms 19988 KB Output is correct
53 Correct 269 ms 9668 KB Output is correct
54 Correct 513 ms 15076 KB Output is correct
55 Correct 666 ms 15048 KB Output is correct
56 Correct 629 ms 15380 KB Output is correct
57 Correct 156 ms 12336 KB Output is correct