Submission #1365929

#	Time	Username	Problem	Language	Result	Execution time	Memory
1365929		kmath628	Exam (eJOI20_exam)	C++20	13 / 100	31 ms	67356 KiB

exam

#include <bits/stdc++.h>
using namespace std;
int a[100009],b[100009],dp[5009][5009];
int main(){
    int n,i,j;
    scanf("%d",&n);
    for(i=1;i<=n;i++) scanf("%d",&a[i]);
    for(i=1;i<=n;i++) scanf("%d",&b[i]);
    for(i=1;i<=n;i++){
        for(j=i;j<=n;j++){
            dp[i][j]=max(dp[i][j-1], (int)(a[j]==b[i]) + dp[i-1][j]);
        }
    }
    printf("%d\n",dp[n][n]);
    return 0;
}

Compilation message (stderr)

exam.cpp: In function 'int main()':
exam.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
exam.cpp:7:28: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     for(i=1;i<=n;i++) scanf("%d",&a[i]);
      |                       ~~~~~^~~~~~~~~~~~
exam.cpp:8:28: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     for(i=1;i<=n;i++) scanf("%d",&b[i]);
      |                       ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 12
• Subtask 3: 13 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22