Submission #113997

#	Time	Username	Problem	Language	Result	Execution time	Memory
113997		dndhk	Carnival (CEOI14_carnival)	C++14	100 / 100	10 ms	412 KiB

carnival

#include <bits/stdc++.h>

#define pb push_back
#define all(v) ((v).begin(), (v).end())
#define sortv(v) sort(all(v))
#define sz(v) ((int)(v).size())
#define uniqv(v) (v).erase(unique(all(v)), (v).end())
#define umax(a, b) (a)=max((a), (b))
#define umin(a, b) (a)=min((a), (b))
#define FOR(i,a,b) for(int i = (a); i <= (b); i++)
#define rep(i,n) FOR(i,1,n)
#define rep0(i,n) FOR(i,0,(int)(n)-1)
#define FI first
#define SE second
#define INF 2000000000
#define INFLL 1000000000000000000LL


using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAX_N = 150;

int N;
int c[MAX_N+1];
vector<int> v;

int calc(int x, int y){
	printf("%d ", x+2);
	for(int i=0; i<=x; i++){
		printf("%d ", v[i]);
	}
	printf("%d\n", y); fflush(stdout);
	int t;
	scanf("%d", &t);
	return t;
}

int main(){
	scanf("%d", &N);
	v.pb(1);
	c[1] = 1;
	for(int i=2; i<=N; i++){
		v.pb(i);
		int t;
		printf("%d ", v.size());
		for(int j=0; j<v.size(); j++){
			printf("%d ", v[j]);
		}
		printf("\n");
		fflush(stdout);
		scanf("%d", &t);
		if(t!=v.size()){
			v.pop_back();
			int s = 0, e = v.size()-1, m;
			while(s<e){
				m = (s+e)/2;
				if(calc(m, i)==m+1){
					e = m;
				}else{
					s = m+1;
				}
			}
			c[i] = s+1;
		}else{
			c[i] = v.size();
		}
	}
	printf("0 ");
	for(int i=1; i<=N; i++){
		printf("%d ", c[i]);
	}
	return 0;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:48:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
   printf("%d ", v.size());
                 ~~~~~~~~^
carnival.cpp:49:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0; j<v.size(); j++){
                ~^~~~~~~~~
carnival.cpp:55:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(t!=v.size()){
      ~^~~~~~~~~~
carnival.cpp: In function 'int calc(int, int)':
carnival.cpp:37:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &t);
  ~~~~~^~~~~~~~~~
carnival.cpp: In function 'int main()':
carnival.cpp:42:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
carnival.cpp:54:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &t);
   ~~~~~^~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20