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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#815685#9802. Light Up the GridKafuuChinocpp#Compile Error//C++142.5kb2024-12-15 16:25:332024-12-15 16:25:35

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你现在查看的是最新测评结果

  • [2024-12-15 16:25:35]
  • 评测
  • [2024-12-15 16:25:33]
  • 提交

answer

#include <cstdio>
#include <algorithm>

using namespace std;

const int max1 = 16, max2 = 1 << max1;
const int inf = 0x3f3f3f3f;

int T, a[4];

int edge[max1 + 5][max1 + 5];
int f[max2 + 5][max1 + 5];

int main ()
{
    scanf("%d%d%d%d%d", &T, &a[0], &a[1], &a[2], &a[3]);

    memset(edge, 0x3f, sizeof(edge));
    for ( int i = 0; i < max1; i ++ )
        edge[i][i] = 0;
    
    for ( int i = 0; i < max1; i ++ )
    {
        int t = i ^ 1;
        edge[i][t] = min(edge[i][t], a[0]);

        t = i ^ 2;
        edge[i][t] = min(edge[i][t], a[0]);
        
        t = i ^ 4;
        edge[i][t] = min(edge[i][t], a[0]);

        t = i ^ 8;
        edge[i][t] = min(edge[i][t], a[0]);

        t = i ^ 1 ^ 2;
        edge[i][t] = min(edge[i][t], a[1]);

        t = i ^ 4 ^ 8;
        edge[i][t] = min(edge[i][t], a[1]);

        t = i ^ 1 ^ 4;
        edge[i][t] = min(edge[i][t], a[2]);

        t = i ^ 2 ^ 8;
        edge[i][t] = min(edge[i][t], a[2]);

        t = i ^ 1 ^ 2 ^ 4 ^ 8;
        edge[i][t] = min(edge[i][t], a[3]);
    }

    for ( int k = 0; k < max1; k ++ )
        for ( int i = 0; i < max1; i ++ )
            for ( int j = 0; j < max1; j ++ )
                edge[i][j] = min(edge[i][j], edge[i][k] + edge[k][j]);
    
    memset(f, 0x3f, sizeof(f));
    f[0][max1 - 1] = 0;

    for ( int s = 0; s < max2; s ++ )
    {
        for ( int i = 0; i < max1; i ++ )
        {
            if ( f[s][i] != inf )
            {
                for ( int j = 0; j < max1; j ++ )
                {
                    if ( !((s >> j) & 1) )
                    {
                        f[s | (1 << j)][j] = min(f[s | (1 << j)][j], f[s][i] + edge[i][j]);
                    }
                }
            }
        }
    }

    int k;
    char str[5][5];
    while ( T -- )
    {
        scanf("%d", &k);

        int s = 0, x = 0;
        for ( int i = 1; i <= k; i ++ )
        {
            scanf("%s", str[0]);
            scanf("%s", str[1]);

            x = (str[0][0] - '0') | ((str[0][1] - '0') << 1) | ((str[1][0] - '0') << 2) | ((str[1][1] - '0') << 3);
            s |= 1 << x;

            // printf("x = %d\n", x);
        }

        int ans = inf;
        for ( int i = 0; i < max1; i ++ )
            ans = min(ans, f[s][i]);
        
        if ( !ans )
            ans = min(a[0], min(a[1], min(a[2], a[3]))) * 2;

        printf("%d\n", ans);
    }

    return 0;
}

Details

answer.code: In function ‘int main()’:
answer.code:18:5: error: ‘memset’ was not declared in this scope
   18 |     memset(edge, 0x3f, sizeof(edge));
      |     ^~~~~~
answer.code:3:1: note: ‘memset’ is defined in header ‘<cstring>’; did you forget to ‘#include <cstring>’?
    2 | #include <algorithm>
  +++ |+#include <cstring>
    3 | 
answer.code:16:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   16 |     scanf("%d%d%d%d%d", &T, &a[0], &a[1], &a[2], &a[3]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
answer.code:81:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   81 |         scanf("%d", &k);
      |         ~~~~~^~~~~~~~~~
answer.code:86:18: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   86 |             scanf("%s", str[0]);
      |             ~~~~~^~~~~~~~~~~~~~
answer.code:87:18: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   87 |             scanf("%s", str[1]);
      |             ~~~~~^~~~~~~~~~~~~~