Submission #446860

#	Time	Username	Problem	Language	Result	Execution time	Memory
446860		ComPhyPark	Crayfish scrivener (IOI12_scrivener)	C++14	Compilation error	0 ms	0 KiB

scrivener

#include<cstdio>
#include<malloc.h>
#include<vector>
using namespace std;
int n;
typedef struct node {
	int depth;
	char data;
	node* anc[22];
	node* child[26];
	void init(char d, node* par) {
		data = d;
		if (par != NULL) {
			depth = par->depth + 1;
		}
		else depth = 0;
		int i = 0;
		anc[0] = par;
		while (anc[i] != NULL) {
			i++;
			anc[i] = anc[i - 1]->anc[i - 1];
		}
		for (; i < 22; i++)anc[i] = NULL;
		for (int i = 0; i < 26; i++)child[i] = NULL;
	}
	node* getChild(char nxt) {
		if (child[nxt - 'a'] == NULL) {
			child[nxt - 'a'] = (node*)malloc(sizeof(node));
			child[nxt - 'a']->init(nxt, this);
		}
		return child[nxt - 'a'];
	}
	char getAnc(int d) {
		if (!d)return data;
		int i = 0;
		while (!(d & 1)) {
			d >>= 1;
			i++;
		}
		return anc[i]->getAnc((d ^ 1) << i);
	}
}node;
vector<node*>v;
void Init(int N) {
	n = N;
	node* nd = (node*)malloc(sizeof(node));
	nd->init(0, NULL);
	v.push_back(nd);
}
void TypeLetter(char a) {
	v.push_back(v.back()->getChild(a));
}
void UndoCommands(int a) {
	v.push_back(v[v.size() - a - 1]);
}
char GetLetter(int a) {
	return v.back()->getAnc(v.back()->depth - a - 1);
}
		case 'P':
			scanf("%d", &d);
			printf("%c\n", GetLetter(d));
			break;
		case 'U':
			scanf("%d", &d);
			UndoCommands(d);
			break;
		default:
			while(1)printf("BUG--");
		}
	}
	return 0;
}

Compilation message (stderr)

scrivener.cpp:59:3: error: expected unqualified-id before 'case'
   59 |   case 'P':
      |   ^~~~
scrivener.cpp:61:10: error: expected constructor, destructor, or type conversion before '(' token
   61 |    printf("%c\n", GetLetter(d));
      |          ^
scrivener.cpp:62:4: error: expected unqualified-id before 'break'
   62 |    break;
      |    ^~~~~
scrivener.cpp:63:3: error: expected unqualified-id before 'case'
   63 |   case 'U':
      |   ^~~~
scrivener.cpp:65:16: error: expected constructor, destructor, or type conversion before '(' token
   65 |    UndoCommands(d);
      |                ^
scrivener.cpp:66:4: error: expected unqualified-id before 'break'
   66 |    break;
      |    ^~~~~
scrivener.cpp:67:3: error: expected unqualified-id before 'default'
   67 |   default:
      |   ^~~~~~~
scrivener.cpp:69:3: error: expected declaration before '}' token
   69 |   }
      |   ^
scrivener.cpp:70:2: error: expected declaration before '}' token
   70 |  }
      |  ^
scrivener.cpp:71:2: error: expected unqualified-id before 'return'
   71 |  return 0;
      |  ^~~~~~
scrivener.cpp:72:1: error: expected declaration before '}' token
   72 | }
      | ^