Submission #342893

# Submission time Handle Problem Language Result Execution time Memory
342893 2021-01-03T07:23:50 Z chon Treasure (different grader from official contest) (CEOI13_treasure2) C++14
Compilation error
0 ms 0 KB
#include "treasure.h"
#include <bits/stdc++.h>
using namespace std;
//#define pb push_back
//#define ii pair<int,int>
 

 
typedef struct
{
    int key[4];
    unsigned long  data;
}Hash;
Hash tb[MAX_TABLE];
 
unsigned long hash(const char *str)
{
    unsigned long hash = 5381;
    int c;
 
    while (c = *str++)
    {
        hash = (((hash << 5) + hash) + c) % MAX_TABLE;
    }
 
    return hash % MAX_TABLE;
}
 
int find(const char *key, char *data)
{
    unsigned long h = hash(key);
    int cnt = MAX_TABLE;
 
    while (tb[h].key[0] != 0 && cnt--)
    {
        if (strcmp(tb[h].key, key) == 0)
        {
            strcpy(data, tb[h].data);
            return 1;
        }
        h = (h + 1) % MAX_TABLE;
    }
    return 0;
}
 
int add(const char *key, char *data)
{
    unsigned long h = hash(key);
 
    while (tb[h].key[0] != 0)
    {
        if (strcmp(tb[h].key, key) == 0)
        {
            return 0;
        }
 
        h = (h + 1) % MAX_TABLE;
    }
    strcpy(tb[h].key, key);
    strcpy(tb[h].data, data);
    return 1;
}
 

int ans[105][105];
int HOR[105], VER[105];
int area, included, line, ri, le;
 
//map< tuple<int, int, int, int>, int > dp;
 
int askit(int r1, int c1, int r2, int c2){
	tuple<int,int,int,int> tup(r1, c1, r2, c2);
	if (dp.find(tup) != dp.end() ) return dp[tup];
	return dp[tup] = countTreasure(r1, c1, r2, c2);
}
 
int f(vector< pair<int,int> > v, int r, int c, int N){
	int result = 0, knew = 0, red = 0, want = 0;
	if (v[3].second == 'A'){
		for (int i=1; i<=r-1; i++){
			for (int j=1; j<=c; j++){
				knew += ans[i][j];
			}
		}
		red = askit(1, 1, r, c);
		want = red - knew;
 
		knew = 0;
		for (int j=1; j<=c - 1; j++) knew += ans[r][j];
		result = want - knew;
	}else if (v[3].second == 'B'){
		for (int i=1; i<=r-1; i++){
			for (int j=c+1; j<=N; j++){
				knew += ans[i][j];
			}
		}
		if (c+1 <= N) red = askit(1, c+1, r, N);
		want = red - knew;
 
	    result = included - want;
	}else if (v[3].second == 'C'){
		for (int i=1; i<=r-1; i++){
			for (int j=c+1; j<=N; j++){
				knew += ans[i][j];
			}
		}
		knew = ri - knew;
		if (c+1 <= N && r+1 <= N) red = askit(r+1, c+1, N, N);
 
		want = knew - red;
		result = included - want;
	}else{ // D
		for (int i=1; i<=r-1; i++){
			for (int j=1; j<=c; j++){
				knew += ans[i][j];
			}
		}
		knew = le - knew;
		if (r+1 <= N) red = askit(r+1, 1, N, c);
 
		want = knew - red;
		knew = 0;
		for (int j=1; j<=c - 1; j++) knew += ans[r][j];
		result = want - knew;
	}
	return result;
}
 
void findTreasure (int N) {
    //int cnt = countTreasure(1, 1, N, N);
    //if(cnt > 0) Report (1, 1);
	area = askit(1, 1, N, N);
	for (int i=1; i<=N - 1; i++){
		if ( i > (N-i) ) VER[i] = askit(1, 1, i, N);
		else VER[i] = area - askit(i+1, 1, N, N);
	}
	for (int i=1; i<=N - 1; i++){
		if ( i > (N-i) ) HOR[i] = askit(1, 1, N, i);
		else HOR[i] = area - askit(1, i+1, N, N);
	}
	VER[N] = HOR[N] = area;
	
	for (int i=1; i<=N; i++){
		for (int j=1; j<=N; j++){
			int below = VER[N] - VER[i];
			int sup = VER[i-1];
			line = area - sup - below;
			
			included = line;
			for (int k=1; k<j; k++) included -= ans[i][k];
			
			ri = HOR[N] - HOR[j];
			le = HOR[j];
 
			vector< pair<int, int> > srt;
			int dx, dy;
			dx = j, dy = i;
			srt.pb(ii(dx*dy, 'A'));
			dx = N - j, dy = i;
			srt.pb(ii(dx*dy, 'B'));
			dx = N - j, dy = N - i;
			srt.pb(ii(dx*dy, 'C'));
			dx = j, dy = N - i;
			srt.pb(ii(dx*dy, 'D'));
 
			sort(srt.begin(), srt.end());
		    ans[i][j] = f(srt, i, j, N);
		}
	}
 
	for (int i=1; i<=N; i++){
		for (int j=1; j<=N; j++){
			if (ans[i][j]) Report(i,j);
		}
	}
}

Compilation message

treasure.cpp:14:9: error: 'MAX_TABLE' was not declared in this scope
   14 | Hash tb[MAX_TABLE];
      |         ^~~~~~~~~
treasure.cpp: In function 'long unsigned int hash(const char*)':
treasure.cpp:21:14: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   21 |     while (c = *str++)
      |            ~~^~~~~~~~
treasure.cpp:23:45: error: 'MAX_TABLE' was not declared in this scope
   23 |         hash = (((hash << 5) + hash) + c) % MAX_TABLE;
      |                                             ^~~~~~~~~
treasure.cpp:26:19: error: 'MAX_TABLE' was not declared in this scope
   26 |     return hash % MAX_TABLE;
      |                   ^~~~~~~~~
treasure.cpp: In function 'int find(const char*, char*)':
treasure.cpp:31:23: error: reference to 'hash' is ambiguous
   31 |     unsigned long h = hash(key);
      |                       ^~~~
In file included from /usr/include/c++/9/bits/basic_string.h:6719,
                 from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from treasure.cpp:2:
/usr/include/c++/9/bits/functional_hash.h:58:12: note: candidates are: 'template<class _Tp> struct std::hash'
   58 |     struct hash;
      |            ^~~~
treasure.cpp:16:15: note:                 'long unsigned int hash(const char*)'
   16 | unsigned long hash(const char *str)
      |               ^~~~
treasure.cpp:32:15: error: 'MAX_TABLE' was not declared in this scope
   32 |     int cnt = MAX_TABLE;
      |               ^~~~~~~~~
treasure.cpp:34:12: error: 'tb' was not declared in this scope; did you mean 'tm'?
   34 |     while (tb[h].key[0] != 0 && cnt--)
      |            ^~
      |            tm
treasure.cpp: In function 'int add(const char*, char*)':
treasure.cpp:48:23: error: reference to 'hash' is ambiguous
   48 |     unsigned long h = hash(key);
      |                       ^~~~
In file included from /usr/include/c++/9/bits/basic_string.h:6719,
                 from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from treasure.cpp:2:
/usr/include/c++/9/bits/functional_hash.h:58:12: note: candidates are: 'template<class _Tp> struct std::hash'
   58 |     struct hash;
      |            ^~~~
treasure.cpp:16:15: note:                 'long unsigned int hash(const char*)'
   16 | unsigned long hash(const char *str)
      |               ^~~~
treasure.cpp:50:12: error: 'tb' was not declared in this scope; did you mean 'tm'?
   50 |     while (tb[h].key[0] != 0)
      |            ^~
      |            tm
treasure.cpp:57:23: error: 'MAX_TABLE' was not declared in this scope
   57 |         h = (h + 1) % MAX_TABLE;
      |                       ^~~~~~~~~
treasure.cpp:59:12: error: 'tb' was not declared in this scope; did you mean 'tm'?
   59 |     strcpy(tb[h].key, key);
      |            ^~
      |            tm
treasure.cpp: In function 'int askit(int, int, int, int)':
treasure.cpp:73:6: error: 'dp' was not declared in this scope
   73 |  if (dp.find(tup) != dp.end() ) return dp[tup];
      |      ^~
treasure.cpp:74:9: error: 'dp' was not declared in this scope
   74 |  return dp[tup] = countTreasure(r1, c1, r2, c2);
      |         ^~
treasure.cpp: In function 'void findTreasure(int)':
treasure.cpp:158:8: error: 'class std::vector<std::pair<int, int> >' has no member named 'pb'
  158 |    srt.pb(ii(dx*dy, 'A'));
      |        ^~
treasure.cpp:158:11: error: 'ii' was not declared in this scope; did you mean 'i'?
  158 |    srt.pb(ii(dx*dy, 'A'));
      |           ^~
      |           i
treasure.cpp:160:8: error: 'class std::vector<std::pair<int, int> >' has no member named 'pb'
  160 |    srt.pb(ii(dx*dy, 'B'));
      |        ^~
treasure.cpp:162:8: error: 'class std::vector<std::pair<int, int> >' has no member named 'pb'
  162 |    srt.pb(ii(dx*dy, 'C'));
      |        ^~
treasure.cpp:164:8: error: 'class std::vector<std::pair<int, int> >' has no member named 'pb'
  164 |    srt.pb(ii(dx*dy, 'D'));
      |        ^~