Mã chấm: 256953

Main.java:33: error: array required, but int found
                    u[u] += u[first[u]] + 1;
                     ^
Main.java:33: error: array required, but int found
                    u[u] += u[first[u]] + 1;
                             ^
Main.java:34: error: cannot find symbol
                    if (b[u] >= k) {
                                ^
  symbol:   variable k
  location: class Main
Main.java:37: error: array required, but int found
                    u[u] = 0;
                     ^
Main.java:41: error: array required, but int found
                    u[v] += u[u] + 1;
                     ^
Main.java:41: error: array required, but int found
                    u[v] += u[u] + 1;
                             ^
Main.java:42: error: cannot find symbol
                    if (b[v] >= k) {
                                ^
  symbol:   variable k
  location: class Main
Main.java:45: error: array required, but int found
                    u[v] = 0;
                     ^
Main.java:50: error: cannot find symbol
        if (b[v] >= k) {
                    ^
  symbol:   variable k
  location: class Main
9 errors