Submission #251946

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
251946	2020-07-23 08:20:46	nnnnnnnnnnnnnnnn	Lamps (JOI19_lamps)	C++14	4 / 100	154 ms	18160 KiB

lamp

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#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef vector<int> vi;
typedef pair<int,int> ii;
typedef pair<ll,int> pli;
typedef pair<int,ll> pil;
typedef pair<ll,ll> pll;
const int N = 1e6,inf = 1e9;
int n;
string a,b;
int dp[4][N]; 
// ->0
// ->1
// flip
int solve()
{
  int i,j,k;
  for(i=0;i<4;i++)
  {
    for(j=0;j<n;j++)
    {
      dp[i][j] = inf;
    }
  }
  if(a[0]==b[0])
  {
    if(a[0]=='0') dp[0][0] = 1;
    else      dp[1][0] = 1;
    dp[3][0] = 0;
 
 
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Compilation message (stderr)

lamp.cpp: In function 'int main()':
lamp.cpp:97:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 41
• Subtask 3: 4 / 4
• Subtask 4: 0 / 49