Submission #29059

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
29059	2017-07-18T07:53:23 Z	cki86201	Alternative Mart (FXCUP2_mart)	C++11	0 / 1	5000 ms	106712 KB

mart

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <queue>
#include <map>
#include <set>
#include <string>
#include <algorithm>
#include <iostream>
#include <functional>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <bitset>

using namespace std;
typedef pair<int, int> Pi;
typedef long long ll;
#define pii Pi
#define pll PL
#define Fi first
#define Se second
#define pb(x) push_back(x)
#define sz(x) ((int)(x).size())
#define rep(i, n) for(int i=0;i<n;i++)
#define all(x) (x).begin(), (x).end()
typedef tuple<int, int, int> t3;
typedef pair<ll, ll> PL;
typedef long double ldouble;

int n, m, k, q;
vector <int> mart;
vector <pii> E[50050];
map <int, int> M[50050];

void solve() {
	scanf("%d%d%d%d", &n, &m, &k, &q);
	rep(i, k) {
		int x; scanf("%d", &x);
		mart.pb(x);
	}
	rep(i, m) {
		int x, y, z; scanf("%d%d%d", &x, &y, &z);
		E[x].pb(pii(z, y));
		E[y].pb(pii(z, x));
	}
	priority_queue <t3, vector<t3>, greater<t3> > pq;
	for(int e : mart) pq.push(t3(0, e, e)), M[e][e] = 0;
	int cnt[50050] = {};
	while(!pq.empty()) {
		t3 t = pq.top(); pq.pop();
		int v = get<1>(t), s = get<2>(t);
		int L = get<0>(t);
		if(M[v][s] != L) continue;
		if(cnt[v] > 11) continue;
		++cnt[v];
		
		for(pii e : E[v]) {
			if(M[e.Se].find(s) == M[e.Se].end()) {
				M[e.Se][s] = L + e.Fi;
				pq.push(t3(L + e.Fi, e.Se, s));
			}
			else if(M[e.Se][s] > L + e.Fi) {
				M[e.Se][s] = L + e.Fi;
				pq.push(t3(L + e.Fi, e.Se, s));
			}
		}
	}
	int chk[50050] = {};
	while(q--) {
		int s, r; scanf("%d%d", &s, &r);
		set <int> v;
		rep(a, r) {
			int x; scanf("%d", &x); chk[x] = q + 10;
		}
		pii ans = pii(2e9, -1);
		for(pii e : M[s]) if(chk[e.Fi] != q + 10 && ans.Fi > e.Se) ans.Fi = e.Se, ans.Se = e.Fi;
		printf("%d %d\n", ans.Se, ans.Fi);
	}
}

int main(){
	int tc = 1; // scanf("%d", &tc);
	for(int t=1;t<=tc;t++) {
		solve();
	}
	return 0;
};

Compilation message

mart.cpp: In function 'void solve()':
mart.cpp:40:35: 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:42:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x; scanf("%d", &x);
                         ^
mart.cpp:46:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x, y, z; scanf("%d%d%d", &x, &y, &z);
                                           ^
mart.cpp:74:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int s, r; scanf("%d%d", &s, &r);
                                  ^
mart.cpp:77:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int x; scanf("%d", &x); chk[x] = q + 10;
                          ^

Subtask #1

0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	5816 KB	Output is correct
2	Correct	0 ms	5816 KB	Output is correct
3	Correct	0 ms	5816 KB	Output is correct
4	Correct	0 ms	5816 KB	Output is correct
5	Correct	3 ms	5812 KB	Output is correct
6	Correct	3 ms	5816 KB	Output is correct
7	Correct	3 ms	6212 KB	Output is correct
8	Correct	3 ms	6076 KB	Output is correct
9	Correct	139 ms	10392 KB	Output is correct
10	Correct	13 ms	6620 KB	Output is correct
11	Correct	56 ms	9076 KB	Output is correct
12	Correct	46 ms	8852 KB	Output is correct
13	Correct	4633 ms	86404 KB	Output is correct
14	Execution timed out	5000 ms	106712 KB	Execution timed out
15	Halted	0 ms	0 KB	-