Submission #28709

# Submission time Handle Problem Language Result Execution time Memory
28709 2017-07-16T08:56:06 Z tlwpdus 팬클럽 회장(#1123, kdh9949) Alternative Mart (FXCUP2_mart) C++14
0 / 1
5000 ms 40020 KB
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;

struct Dat{
	int s, x, d;
	bool operator<(const Dat &oth) const {
		return (d == oth.d) ? (s > oth.s) : (d > oth.d);
	}
};

const int inf = 1e9;
int n, m, k, q, chk[50010];
set<pii> md[50010];
vector<pii> e[50010];
priority_queue<Dat> pq;

int main(){
	scanf("%d%d%d%d", &n, &m, &k, &q);
	for(int i = 1, x; i <= k; i++){
		scanf("%d", &x);
		md[x].insert(pii(0, x));
		pq.push({x, x, 0});
	}
	for(int x, y, c; m--; ){
		scanf("%d%d%d", &x, &y, &c);
		e[x].push_back({y, c});
		e[y].push_back({x, c});
	}
	while(!pq.empty()){
		Dat c = pq.top(); pq.pop();
		int fl = 1;
		for(auto &i : md[c.x]){
			if(i.second == c.s && i.first < c.d){
				fl = 0;
				break;
			}
		}
		if(!fl) continue;
		for(auto &i : e[c.x]){
			int nx, nd; tie(nx, nd) = i;
			nd += c.d;
			int fl = 1;
			for(auto &i : md[nx]){
				if(i.second == c.s && i.first <= nd){ fl = 0; break; }
			}
			if(!fl) continue;
			for(auto &i : md[nx]){
				if(i.second == c.s){
					md[nx].erase(i);
					break;
				}
			}
			md[nx].insert(pii(nd, c.s));
			while(md[nx].size() > 11){
				auto t = md[nx].end();
				t--;
				md[nx].erase(t);
			}
			auto t = md[nx].end(); t--;
			if(md[nx].find(pii(nd, c.s)) != md[nx].end()) pq.push({c.s, nx, nd});
		}
	}
	for(int i = 1, x, c; i <= q; i++){
		scanf("%d%d", &x, &c);
		for(int y; c--; ){
			scanf("%d", &y);
			chk[y] = i;
		}
		for(auto &j : md[x]){
			if(chk[j.second] == i) continue;
			printf("%d %d\n", j.second, j.first);
			break;
		}
	}
}

Compilation message

mart.cpp: In function 'int main()':
mart.cpp:19:35: 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:21:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
                  ^
mart.cpp:26:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &x, &y, &c);
                              ^
mart.cpp:65:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &x, &c);
                        ^
mart.cpp:67:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &y);
                   ^
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5740 KB Output is correct
2 Correct 0 ms 5740 KB Output is correct
3 Correct 0 ms 5740 KB Output is correct
4 Correct 0 ms 5740 KB Output is correct
5 Correct 0 ms 5740 KB Output is correct
6 Correct 3 ms 5740 KB Output is correct
7 Correct 3 ms 6004 KB Output is correct
8 Correct 3 ms 6004 KB Output is correct
9 Correct 329 ms 6612 KB Output is correct
10 Correct 26 ms 6548 KB Output is correct
11 Correct 66 ms 8552 KB Output is correct
12 Correct 59 ms 8512 KB Output is correct
13 Correct 3736 ms 14868 KB Output is correct
14 Correct 3746 ms 14876 KB Output is correct
15 Correct 153 ms 10036 KB Output is correct
16 Correct 126 ms 9700 KB Output is correct
17 Correct 1469 ms 31860 KB Output is correct
18 Correct 799 ms 30820 KB Output is correct
19 Correct 1906 ms 35000 KB Output is correct
20 Correct 1126 ms 33064 KB Output is correct
21 Correct 1949 ms 35000 KB Output is correct
22 Correct 1643 ms 33140 KB Output is correct
23 Correct 2436 ms 36420 KB Output is correct
24 Correct 2596 ms 34620 KB Output is correct
25 Correct 2683 ms 36420 KB Output is correct
26 Correct 2423 ms 34620 KB Output is correct
27 Correct 133 ms 10532 KB Output is correct
28 Correct 153 ms 10244 KB Output is correct
29 Correct 2296 ms 32976 KB Output is correct
30 Correct 1879 ms 31788 KB Output is correct
31 Correct 2889 ms 36604 KB Output is correct
32 Correct 2279 ms 34020 KB Output is correct
33 Correct 2633 ms 35048 KB Output is correct
34 Correct 4033 ms 36932 KB Output is correct
35 Correct 3279 ms 36684 KB Output is correct
36 Correct 3553 ms 36816 KB Output is correct
37 Correct 4519 ms 40020 KB Output is correct
38 Correct 3743 ms 36816 KB Output is correct
39 Correct 153 ms 11056 KB Output is correct
40 Correct 156 ms 11084 KB Output is correct
41 Correct 2829 ms 34860 KB Output is correct
42 Correct 2819 ms 34892 KB Output is correct
43 Correct 4583 ms 37236 KB Output is correct
44 Correct 4543 ms 37132 KB Output is correct
45 Execution timed out 5000 ms 37196 KB Execution timed out
46 Halted 0 ms 0 KB -