Submission #377393

#	Time	Username	Problem	Language	Result	Execution time	Memory
377393		Thistle	Carnival Tickets (IOI20_tickets)	C++14	11 / 100	2 ms	748 KiB

tickets

#include "tickets.h"
#include <vector>
#include<algorithm>
#include<set>
#include<iostream>
#include<random>
#include<queue>
#include<cassert>
using namespace std;
using ll=long long;
using H=pair<ll, ll>;
#define vec vector
#define vi vec<ll>
#define pb push_back
#define all(a) (a).begin(),(a).end()
#define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
#define rep(i,n) rng((i),0,(n))
#define siz(a) int((a).size())


long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();


	std::vector<std::vector<int>> answer(n,vec<int>(m,-1));
	ll ans=0;

	if(m==1){
		vi v;
		rep(i,n) v.pb(x[i][0]);
		sort(all(v));
		rep(i,n){
			if(i<n/2) ans-=v[i];
			else ans+=v[i];
		}
		rep(i,n)rep(j,m) answer[i][j]=0;
	}

	
	allocate_tickets(answer);
	return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:16:28: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
tickets.cpp:17:18: note: in expansion of macro 'rng'
   17 | #define rep(i,n) rng((i),0,(n))
      |                  ^~~
tickets.cpp:31:3: note: in expansion of macro 'rep'
   31 |   rep(i,n) v.pb(x[i][0]);
      |   ^~~
tickets.cpp:16:28: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
tickets.cpp:17:18: note: in expansion of macro 'rng'
   17 | #define rep(i,n) rng((i),0,(n))
      |                  ^~~
tickets.cpp:33:3: note: in expansion of macro 'rep'
   33 |   rep(i,n){
      |   ^~~
tickets.cpp:16:28: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
tickets.cpp:17:18: note: in expansion of macro 'rng'
   17 | #define rep(i,n) rng((i),0,(n))
      |                  ^~~
tickets.cpp:37:3: note: in expansion of macro 'rep'
   37 |   rep(i,n)rep(j,m) answer[i][j]=0;
      |   ^~~
tickets.cpp:16:28: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   16 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
tickets.cpp:17:18: note: in expansion of macro 'rng'
   17 | #define rep(i,n) rng((i),0,(n))
      |                  ^~~
tickets.cpp:37:11: note: in expansion of macro 'rep'
   37 |   rep(i,n)rep(j,m) answer[i][j]=0;
      |           ^~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10