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View Compilation Error

0_0_33365147_13978.cpp: In function 'double calc(int, int, int)':
0_0_33365147_13978.cpp:22:2: error: 'nbsp' was not declared in this scope
     if (kind[a] == 'R' || kind[a] == 'L')
  ^
0_0_33365147_13978.cpp:29:43: error: 'else' without a previous 'if'
             else r = (m - b) * 10.0 + 5 + len[a];
                                           ^
0_0_33365147_13978.cpp:32:29: error: 'else' without a previous 'if'
         else return oo; // 不可达,返回无穷大
                             ^
0_0_33365147_13978.cpp:34:15: error: 'else' without a previous 'if'
     else
               ^
0_0_33365147_13978.cpp:38:29: error: 'else' without a previous 'if'
         else
                             ^
0_0_33365147_13978.cpp: In function 'double DP()':
0_0_33365147_13978.cpp:46:2: error: 'nbsp' was not declared in this scope
     for (int i = 0; i <= m; ++i)
  ^
0_0_33365147_13978.cpp:47:35: error: 'i' was not declared in this scope
         dp[0][i] = 0.0;
                                   ^
0_0_33365147_13978.cpp:52:49: error: 'j' was not declared in this scope
             dp[i][j] = oo;
                                                 ^
0_0_33365147_13978.cpp:55:90: error: 'k' was not declared in this scope
                 dp[i][j] = min(dp[i][j], dp[i-1][k] + calc(i, k, j));
                                                                                          ^
0_0_33365147_13978.cpp: In function 'int main()':
0_0_33365147_13978.cpp:68:2: error: 'nbsp' was not declared in this scope
     while (scanf("%d %d", &n, &m))
  ^
0_0_33365147_13978.cpp:71:43: error: break statement not within loop or switch
             break;
                                           ^
0_0_33365147_13978.cpp:75:67: error: 'i' was not declared in this scope
             scanf("\n%c %lf", &kind[i], &len[i]);
                                                                   ^


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