Submission #28562

# Submission time Handle Problem Language Result Execution time Memory
28562 2017-07-16T07:25:01 Z 뚜룹뚜룹뚜룹뚜스~><(#1151, chan492811) Alternative Mart (FXCUP2_mart) C++11
0 / 1
929 ms 54488 KB
#include <cstdio>
#include <queue>
#include <vector>
#include <algorithm>
#define K 11
using namespace std;

struct data{ int from, to, d; };
struct cmp{
	bool operator()(data d1, data d2){ if(d1.d == d2.d) return d1.from > d2.from; return d1.d > d2.d; }
};
int n, m, k, q;
int iarr[50010], arr[20];
data darr[50010][20];
vector <data> vt[50010];
priority_queue <data, vector<data>, cmp> pq;

void dijkstra(){
	int i, j, idx, a, d, s, nd, flag;
	data tmp;
	while(!pq.empty()){
		tmp = pq.top(); pq.pop();
		a = tmp.to; d = tmp.d; idx = tmp.from; flag = 0;
		if(iarr[a] >= K) continue;
		for(i = 0; i < iarr[a]; i++){
			if(darr[a][i].from == idx) flag = 1;
		}
		if(flag) continue;
		darr[a][iarr[a]++] = (data){idx, a, d};
		for(i = 0; i < vt[a].size(); i++){
			s = vt[a][i].to;
			if(iarr[s] >= K) continue; flag = 0;
			for(j = 0; j < iarr[s]; j++) if(darr[s][i].from == idx) flag = 1;
			if(flag) continue;
			pq.push((data){idx, s, d + vt[a][i].d});
		}
	}
}
int main(){
	int i, j, l, a, s, d, flag;
	scanf("%d %d %d %d", &n, &m, &k, &q);
	for(i = 0; i < k; i++){
		scanf("%d", &a);
		pq.push((data){a, a, 0});
	}
	for(i = 0; i < m; i++){
		scanf("%d %d %d", &a, &s, &d);
		vt[a].push_back((data){a, s, d});
		vt[s].push_back((data){s, a, d});
	}
	dijkstra();
	for(i = 0; i < q; i++){
		scanf("%d %d", &a, &s);
		for(j = 0; j < s; j++) scanf("%d", &arr[j]);
		for(j = 0; j < iarr[a]; j++){
			flag = 0;
			for(l = 0; l < s; l++){
				if(arr[l] == darr[a][j].from) flag = 1;
			}
			if(!flag){ printf("%d %d\n", darr[a][j].from, darr[a][j].d); break;}
		}
	}
	return 0;
}

Compilation message

mart.cpp: In function 'void dijkstra()':
mart.cpp:30:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i = 0; i < vt[a].size(); i++){
                ^
mart.cpp:19:26: warning: unused variable 'nd' [-Wunused-variable]
  int i, j, idx, a, d, s, nd, flag;
                          ^
mart.cpp: In function 'int main()':
mart.cpp:41:38: 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:43:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a);
                  ^
mart.cpp:47:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &a, &s, &d);
                                ^
mart.cpp:53:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &a, &s);
                         ^
mart.cpp:54:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(j = 0; j < s; j++) scanf("%d", &arr[j]);
                                              ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 14264 KB Output is correct
2 Correct 0 ms 14264 KB Output is correct
3 Correct 0 ms 14264 KB Output is correct
4 Correct 0 ms 14264 KB Output is correct
5 Correct 0 ms 14396 KB Output is correct
6 Correct 0 ms 14396 KB Output is correct
7 Correct 3 ms 14408 KB Output is correct
8 Correct 3 ms 14264 KB Output is correct
9 Correct 69 ms 19396 KB Output is correct
10 Correct 69 ms 19388 KB Output is correct
11 Correct 36 ms 14936 KB Output is correct
12 Correct 26 ms 14396 KB Output is correct
13 Incorrect 929 ms 54488 KB Output isn't correct
14 Halted 0 ms 0 KB -