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답안 #22588

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
22588 2017-04-30T05:45:25 Z 카시코이(#958, xdoju, ntopia, pps789) Logistical Metropolis (KRIII5_LM) C++11
2 / 7
 86 ms 1356 KB 
#include <cstdio>
#include <cassert>
#include <algorithm>
#include <vector>
using namespace std;

struct edge{
  int x, y, d;
  bool operator< (const edge& rhs) const {
    return d < rhs.d;
  }
};

vector<edge> e;
vector<pair<int, int> > con[1010];
int par[1010];

int getpar(int x){
  if(x == par[x]) return x;
  return (par[x] = getpar(par[x]));
}

int main(){
  int N, M; scanf("%d%d", &N, &M);
  assert(N <= 1000);

  for(int i = 0; i < M; i++){
    int x, y, d; scanf("%d%d%d", &x, &y, &d);
    con[x].push_back({y, d});
    con[y].push_back({x, d});
    e.push_back({x, y, d});
  }

  sort(e.begin(), e.end());

  for(int V = 1; V <= N; V++){
    for(int i = 1; i <= N; i++) par[i] = i;

    int s = 0;
    for(auto &pp : con[V]){
      s += pp.second; par[pp.first] = V;
    }

    for(edge& ee : e){
      int px = getpar(ee.x);
      int py = getpar(ee.y);

      if(px != py){
        s += ee.d; par[py] = px;
      }
    }

    printf("%d\n", s);
  }
  return 0;
}

Compilation message

LM.cpp: In function 'int main()':
LM.cpp:24:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int N, M; scanf("%d%d", &N, &M);
                                  ^
LM.cpp:28:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int x, y, d; scanf("%d%d%d", &x, &y, &d);
                                             ^

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 1352 KB Output is correct
2 Correct 69 ms 1352 KB Output is correct
3 Correct 73 ms 1356 KB Output is correct
4 Correct 69 ms 1352 KB Output is correct
5 Correct 69 ms 1352 KB Output is correct
6 Correct 76 ms 1352 KB Output is correct
7 Correct 73 ms 1352 KB Output is correct
8 Correct 76 ms 1352 KB Output is correct
9 Correct 76 ms 1352 KB Output is correct
10 Correct 73 ms 1352 KB Output is correct
11 Correct 76 ms 1352 KB Output is correct
12 Correct 79 ms 1352 KB Output is correct
13 Correct 86 ms 1352 KB Output is correct
14 Correct 83 ms 1352 KB Output is correct
15 Correct 86 ms 1352 KB Output is correct
16 Correct 36 ms 1352 KB Output is correct
17 Correct 36 ms 1352 KB Output is correct
18 Correct 36 ms 1352 KB Output is correct
19 Correct 39 ms 1352 KB Output is correct
20 Correct 36 ms 1352 KB Output is correct
21 Correct 36 ms 1352 KB Output is correct
22 Correct 39 ms 1352 KB Output is correct
23 Correct 33 ms 1352 KB Output is correct
24 Correct 36 ms 1352 KB Output is correct
25 Correct 0 ms 1204 KB Output is correct
26 Correct 0 ms 1204 KB Output is correct
27 Correct 0 ms 1204 KB Output is correct
28 Correct 6 ms 1204 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 0 ms 1208 KB Execution killed because of forbidden syscall gettid (186)
2 Halted 0 ms 0 KB -