Submission #710389

#	Time	Username	Problem	Language	Result	Execution time	Memory
710389		myrcella	Rarest Insects (IOI22_insects)	C++17	Compilation error	0 ms	0 KiB

insects

//by szh
#include<bits/stdc++.h>
//#include "insects.h"
using namespace std;

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}

const int maxn = 2010;
int typ[maxn];
bool in[maxn];
int cnt[maxn];

const int kMaxQueries = 40000;

static int N;
// Insect types are compressed to colors in the range [0, N).
static std::vector<int> color;
static std::vector<bool> in_box;

static std::vector<int> color_occurrences;
static std::multiset<int> max_occurrences;

static std::vector<int> op_counter(3, 0);

static inline void protocol_violation(std::string message) {
  printf("Protocol Violation: %s\n", message.c_str());
  exit(0);
}

void move_inside(int i) {
  if (i < 0 || i >= N) {
    protocol_violation("invalid parameter");
  }
  ++op_counter[0];
  if (op_counter[0] > kMaxQueries) {
    protocol_violation("too many calls");
  }
  if (!in_box[i]) {
    in_box[i] = true;
    max_occurrences.erase(max_occurrences.find(color_occurrences[color[i]]));
    ++color_occurrences[color[i]];
    max_occurrences.insert(color_occurrences[color[i]]);
  }
}

void move_outside(int i) {
  if (i < 0 || i >= N) {
    protocol_violation("invalid parameter");
  }
  ++op_counter[1];
  if (op_counter[1] > kMaxQueries) {
    protocol_violation("too many calls");
  }
  if (in_box[i]) {
    in_box[i] = false;
    max_occurrences.erase(max_occurrences.find(color_occurrences[color[i]]));
    --color_occurrences[color[i]];
    max_occurrences.insert(color_occurrences[color[i]]);
  }
}

int press_button() {
  ++op_counter[2];
  if (op_counter[2] > kMaxQueries) {
    protocol_violation("too many calls");
  }
  return *(max_occurrences.rbegin());
}

int min_cardinality(int N) {
	int cur = 0;
	rep(i,0,N) {
		move_inside(i);
		int tmp = press_button();
		if (tmp==1) typ[i]=cur++;
		else rep(j,0,i) {
			if (!in[j]) continue;
			move_outside(j);
			tmp = press_button();
			if (tmp!=1) move_inside(j);
			else {
				typ[i] = typ[j];
				break;
			}
		}
		cnt[typ[i]]++;
	}
	int ret = N;
	rep(i,0,cur) ret = min(ret,cnt[i]);
  return ret;
}

int main() {
  assert(1 == scanf("%d", &N));
  color.resize(N);
  in_box.assign(N, false);

  std::map<int, int> type_to_color;
  for (int i = 0; i < N; ++i) {
    int Ti;
    assert(1 == scanf("%d", &Ti));
    if (type_to_color.find(Ti) == type_to_color.end()) {
      int new_color = type_to_color.size();
      type_to_color[Ti] = new_color;
      max_occurrences.insert(0);
    }
    color[i] = type_to_color[Ti];
  }

  color_occurrences.assign(type_to_color.size(), 0);

  int answer = min_cardinality(N);
  int Q = *std::max_element(op_counter.begin(), op_counter.end());
  printf("%d\n", answer);
  printf("%d\n", Q);
  return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccMoxLtL.o: in function `move_inside(int)':
stub.cpp:(.text+0x0): multiple definition of `move_inside(int)'; /tmp/ccYHJCyL.o:insects.cpp:(.text+0x380): first defined here
/usr/bin/ld: /tmp/ccMoxLtL.o: in function `move_outside(int)':
stub.cpp:(.text+0xe0): multiple definition of `move_outside(int)'; /tmp/ccYHJCyL.o:insects.cpp:(.text+0x550): first defined here
/usr/bin/ld: /tmp/ccMoxLtL.o: in function `press_button()':
stub.cpp:(.text+0x1c0): multiple definition of `press_button()'; /tmp/ccYHJCyL.o:insects.cpp:(.text+0x2f0): first defined here
/usr/bin/ld: /tmp/ccMoxLtL.o: in function `main':
stub.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccYHJCyL.o:insects.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status