Submission #26983

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
26983	2017-07-08T07:26:39 Z	검수팍(#1115)	Alternative Mart (FXCUP2_mart)	C++	1 / 1	4119 ms	55100 KB

mart

#include<stdio.h>
#include<memory.h>
#include<vector>
#include<queue>
#include<set>
using namespace std;

struct nod {
	int st, ix, dst;
	nod(int st_, int ix_, int dst_){ st=st_, ix=ix_, dst=dst_; }
	bool operator< (const nod& c) const {
		if(dst != c.dst) return dst > c.dst;
		return st > c.st;
	}
};

priority_queue<nod> pq;

int N, M, K, Q;
int endp[406060], val[406060], prv[406060], top[101010], ecn;
int dist[101010][11], dnum[101010][11], dcn[101010];
set<pair<int,int> > chk;

void edge(int s, int e, int v){
	endp[ecn]=e, val[ecn]=v, prv[ecn]=top[s], top[s]=ecn++;
}

int st, x, close[11], ban[101010];

int main(){
	scanf("%d%d%d%d", &N, &M, &K, &Q);
	for(int i=1; i<=N; i++) top[i]=-1;
	memset(dist, 0x3f, sizeof(dist));
	for(int i=K; i--;){
		int a; scanf("%d", &a);
		pq.push(nod(a, a, 0));
	}
	for(int i=M; i--;){
		int s, e, v;
		scanf("%d%d%d", &s, &e, &v);
		edge(s, e, v), edge(e, s, v);
	}
	while(!pq.empty()){
		nod cur = pq.top(); pq.pop();
		if(dcn[cur.ix] >= 11) continue;
		if(chk.find(make_pair(cur.ix, cur.st)) != chk.end()) continue;
		int dix = dcn[cur.ix];
		dist[cur.ix][dix] = cur.dst, dnum[cur.ix][dix] = cur.st, dcn[cur.ix]++;
		chk.insert(make_pair(cur.ix, cur.st));
		for(int i=top[cur.ix]; i>=0; i=prv[i]){
			if(chk.find(make_pair(endp[i], cur.st)) != chk.end()) continue;
			pq.push(nod(cur.st, endp[i], cur.dst+val[i]));
		}
	}

	for(int t=Q; t--;){
		scanf("%d%d", &st, &x);
		for(int i=0; i<x; i++) scanf("%d", &close[i]), ban[close[i]]=1;
		for(int i=0; i<=10; i++){
			if(ban[dnum[st][i]]) continue;
			printf("%d %d\n", dnum[st][i], dist[st][i]);
			break;
		}
		for(int i=0; i<x; i++) ban[close[i]]=0;
	}
	return 0;
}

Compilation message

mart.cpp: In function 'int main()':
mart.cpp:31:35: 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:35:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int a; scanf("%d", &a);
                         ^
mart.cpp:40:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &s, &e, &v);
                              ^
mart.cpp:57:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &st, &x);
                         ^
mart.cpp:58:65: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i=0; i<x; i++) scanf("%d", &close[i]), ban[close[i]]=1;
                                                                 ^

Subtask #1

1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	16556 KB	Output is correct
2	Correct	0 ms	16556 KB	Output is correct
3	Correct	0 ms	16556 KB	Output is correct
4	Correct	3 ms	16556 KB	Output is correct
5	Correct	3 ms	16556 KB	Output is correct
6	Correct	3 ms	16556 KB	Output is correct
7	Correct	6 ms	16820 KB	Output is correct
8	Correct	3 ms	16820 KB	Output is correct
9	Correct	133 ms	21256 KB	Output is correct
10	Correct	66 ms	18952 KB	Output is correct
11	Correct	103 ms	19252 KB	Output is correct
12	Correct	79 ms	19196 KB	Output is correct
13	Correct	2393 ms	55100 KB	Output is correct
14	Correct	1956 ms	55096 KB	Output is correct
15	Correct	136 ms	19064 KB	Output is correct
16	Correct	106 ms	18932 KB	Output is correct
17	Correct	1263 ms	40744 KB	Output is correct
18	Correct	1286 ms	40052 KB	Output is correct
19	Correct	1559 ms	43872 KB	Output is correct
20	Correct	1566 ms	42296 KB	Output is correct
21	Correct	2043 ms	43876 KB	Output is correct
22	Correct	2489 ms	42468 KB	Output is correct
23	Correct	2689 ms	45448 KB	Output is correct
24	Correct	2736 ms	43912 KB	Output is correct
25	Correct	2603 ms	45448 KB	Output is correct
26	Correct	2136 ms	43912 KB	Output is correct
27	Correct	183 ms	19272 KB	Output is correct
28	Correct	159 ms	19172 KB	Output is correct
29	Correct	2973 ms	41540 KB	Output is correct
30	Correct	2633 ms	40716 KB	Output is correct
31	Correct	2863 ms	45460 KB	Output is correct
32	Correct	2389 ms	43068 KB	Output is correct
33	Correct	2256 ms	45412 KB	Output is correct
34	Correct	2536 ms	48484 KB	Output is correct
35	Correct	2946 ms	48520 KB	Output is correct
36	Correct	3429 ms	48520 KB	Output is correct
37	Correct	3499 ms	48520 KB	Output is correct
38	Correct	3089 ms	48520 KB	Output is correct
39	Correct	196 ms	19368 KB	Output is correct
40	Correct	196 ms	19268 KB	Output is correct
41	Correct	3706 ms	43036 KB	Output is correct
42	Correct	3913 ms	43072 KB	Output is correct
43	Correct	4049 ms	48488 KB	Output is correct
44	Correct	2766 ms	48516 KB	Output is correct
45	Correct	3849 ms	48484 KB	Output is correct
46	Correct	2879 ms	48484 KB	Output is correct
47	Correct	4119 ms	54664 KB	Output is correct
48	Correct	3859 ms	54664 KB	Output is correct
49	Correct	4046 ms	54664 KB	Output is correct
50	Correct	2976 ms	54664 KB	Output is correct
51	Correct	2583 ms	54664 KB	Output is correct
52	Correct	3156 ms	54664 KB	Output is correct
53	Correct	796 ms	42428 KB	Output is correct
54	Correct	3949 ms	45384 KB	Output is correct
55	Correct	2176 ms	48484 KB	Output is correct
56	Correct	2396 ms	48484 KB	Output is correct
57	Correct	889 ms	35608 KB	Output is correct