Submission #1061429

#	Time	Username	Problem	Language	Result	Execution time	Memory
1061429		Halym2007	Sequence (APIO23_sequence)	C++17	Compilation error	0 ms	0 KiB

sequence

#include <bits/stdc++.h>
//#include "sequence.h"
using namespace std;
#define ll long long
#define sz size()
#define ff first
#define ss second
#define pb push_back
#define pii pair <int, int>
const int N = 5e5 + 5;

int a[N], st[N], n, val[N], sana[N];


int sequence(int N, vector<int> A) {
	n = N;
	for (int i = 0; i < n; ++i) {
		a[i] = A[i];
	}	
	int jogap = 0;
	int bir = 0, iki = 0, uc = 0;
	for (int i = 0; i < n; ++i) {
		if (a[i] == 1) {
			bir++;
		}
		else if (a[i] == 2) {
			iki++;
		}
		else uc++;
		
		pii orta = ({i / 2 + 1, (i + 1) / 2 + 1});
		
		if (bir >= orta.ff) {
			jogap = max (jogap, bir);
		}
		else if (bir + iki >= orta.ff) {
			jogap = max (jogap, iki);
		}
		else {
			jogap = max (jogap, uc);
		}
	}
}

//int main() {
//	freopen ("input.txt", "r", stdin);
//  int N;
//  assert(1 == scanf("%d", &N));
//
//  std::vector<int> A(N);
//  for (int i = 0; i < N; ++i) {
//    assert(1 == scanf("%d", &A[i]));
//  }
//  int result = sequence(N, A);
//  printf("%d\n", result);
//  return 0;
//}

Compilation message (stderr)

sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:31:22: warning: left operand of comma operator has no effect [-Wunused-value]
   31 |   pii orta = ({i / 2 + 1, (i + 1) / 2 + 1});
      |                ~~~~~~^~~
sequence.cpp:31:42: error: expected ';' before '}' token
   31 |   pii orta = ({i / 2 + 1, (i + 1) / 2 + 1});
      |                                          ^
      |                                          ;
sequence.cpp:31:39: error: conversion from 'int' to non-scalar type 'std::pair<int, int>' requested
   31 |   pii orta = ({i / 2 + 1, (i + 1) / 2 + 1});
      |                           ~~~~~~~~~~~~^~~
sequence.cpp:43:1: warning: no return statement in function returning non-void [-Wreturn-type]
   43 | }
      | ^