답안 #78649

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
78649 2018-10-06T19:45:56 Z duality 007 (CEOI14_007) C++11
0 / 100
323 ms 16812 KB
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

vi adjList[200000];
int dist[200000];
queue<int> Q;
int main() {
    int i;
    int N,M;
    int s,d,a,b,u,v;
    scanf("%d %d",&N,&M);
    scanf("%d %d %d %d",&s,&d,&a,&b);
    s--,d--,a--,b--;
    for (i = 0; i < M; i++) {
        scanf("%d %d",&u,&v);
        u--,v--;
        adjList[u].pb(v);
        adjList[v].pb(u);
    }

    fill(dist,dist+N,-1);
    dist[a] = 0;
    Q.push(a);
    while (!Q.empty()) {
        u = Q.front();
        Q.pop();

        for (i = 0; i < adjList[u].size(); i++) {
            v = adjList[u][i];
            if (dist[v] == -1) {
                dist[v] = dist[u]+1;
                Q.push(v);
            }
        }
    }
    int x = dist[d]-dist[s];
    fill(dist,dist+N,-1);
    dist[b] = 0;
    Q.push(b);
    while (!Q.empty()) {
        u = Q.front();
        Q.pop();

        for (i = 0; i < adjList[u].size(); i++) {
            v = adjList[u][i];
            if (dist[v] == -1) {
                dist[v] = dist[u]+1;
                Q.push(v);
            }
        }
    }
    int y = dist[d]-dist[s];
    printf("%d\n",max(min(x,y),-1));

    return 0;
}

Compilation message

007.cpp: In function 'int main()':
007.cpp:82:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i = 0; i < adjList[u].size(); i++) {
                     ~~^~~~~~~~~~~~~~~~~~~
007.cpp:98:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i = 0; i < adjList[u].size(); i++) {
                     ~~^~~~~~~~~~~~~~~~~~~
007.cpp:65:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&M);
     ~~~~~^~~~~~~~~~~~~~~
007.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d %d",&s,&d,&a,&b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
007.cpp:69:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&u,&v);
         ~~~~~^~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 5156 KB Output is correct
3 Correct 6 ms 5168 KB Output is correct
4 Incorrect 6 ms 5168 KB Output isn't correct
5 Incorrect 6 ms 5192 KB Output isn't correct
6 Correct 6 ms 5236 KB Output is correct
7 Correct 6 ms 5236 KB Output is correct
8 Incorrect 6 ms 5236 KB Output isn't correct
9 Correct 6 ms 5236 KB Output is correct
10 Correct 6 ms 5236 KB Output is correct
11 Correct 6 ms 5236 KB Output is correct
12 Incorrect 6 ms 5236 KB Output isn't correct
13 Correct 6 ms 5236 KB Output is correct
14 Incorrect 6 ms 5236 KB Output isn't correct
15 Correct 6 ms 5236 KB Output is correct
16 Incorrect 6 ms 5236 KB Output isn't correct
17 Incorrect 6 ms 5236 KB Output isn't correct
18 Incorrect 8 ms 5344 KB Output isn't correct
19 Correct 6 ms 5408 KB Output is correct
20 Correct 6 ms 5444 KB Output is correct
21 Correct 8 ms 5444 KB Output is correct
22 Correct 8 ms 5444 KB Output is correct
23 Correct 6 ms 5444 KB Output is correct
24 Incorrect 6 ms 5508 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 7300 KB Output is correct
2 Incorrect 33 ms 8292 KB Output isn't correct
3 Correct 29 ms 8292 KB Output is correct
4 Incorrect 36 ms 8352 KB Output isn't correct
5 Correct 28 ms 8352 KB Output is correct
6 Correct 48 ms 8352 KB Output is correct
7 Correct 30 ms 8352 KB Output is correct
8 Correct 32 ms 8352 KB Output is correct
9 Incorrect 46 ms 8352 KB Output isn't correct
10 Correct 178 ms 12692 KB Output is correct
11 Incorrect 54 ms 12692 KB Output isn't correct
12 Correct 77 ms 12692 KB Output is correct
13 Incorrect 65 ms 12692 KB Output isn't correct
14 Correct 56 ms 12692 KB Output is correct
15 Correct 79 ms 12692 KB Output is correct
16 Correct 88 ms 12692 KB Output is correct
17 Correct 75 ms 12692 KB Output is correct
18 Incorrect 74 ms 12692 KB Output isn't correct
19 Correct 124 ms 12692 KB Output is correct
20 Incorrect 252 ms 14056 KB Output isn't correct
21 Incorrect 113 ms 14056 KB Output isn't correct
22 Correct 138 ms 14056 KB Output is correct
23 Correct 117 ms 14056 KB Output is correct
24 Correct 117 ms 14056 KB Output is correct
25 Incorrect 117 ms 14056 KB Output isn't correct
26 Correct 108 ms 14056 KB Output is correct
27 Correct 125 ms 14056 KB Output is correct
28 Correct 144 ms 14056 KB Output is correct
29 Correct 168 ms 14056 KB Output is correct
30 Incorrect 286 ms 14624 KB Output isn't correct
31 Incorrect 125 ms 14624 KB Output isn't correct
32 Correct 126 ms 14624 KB Output is correct
33 Correct 122 ms 14624 KB Output is correct
34 Incorrect 114 ms 14624 KB Output isn't correct
35 Incorrect 101 ms 14624 KB Output isn't correct
36 Incorrect 116 ms 14624 KB Output isn't correct
37 Correct 130 ms 14624 KB Output is correct
38 Correct 117 ms 14624 KB Output is correct
39 Correct 155 ms 14624 KB Output is correct
40 Incorrect 214 ms 14624 KB Output isn't correct
41 Correct 323 ms 16812 KB Output is correct