Case* GenerateTestcase(int num, int maxn, int minc) {
        Case* testCase = new Case[num];
        srand((unsigned)time(NULL));
        int n,c;
        for(int i=0;i<num;i++){
            n=rand()%maxn+3;
            c=rand()%minc+minc;
            int w[n];
            int v[n];
            for(int j = 0;j < n;j++ )
                w[j] = rand() % 10 + 1;
            for(int k = 0;k < n;k++ )
                v[k] = rand() % 10 + 1;
            testCase[i]=Case(n,c,w,v);
        }
        return testCase;
    }

为什么会出现7274040？？？？？