Submission #315158

#	Time	Username	Problem	Language	Result	Execution time	Memory
315158		Kesatria_Komodo	Baloni (COCI15_baloni)	C++17	100 / 100	121 ms	7448 KiB

baloni

#include <cstdio>
int frek[1000001];
int main(){
    int N;
    scanf("%d" , &N);
    int arr[N] , ans = 0;
    for (int i = 0 ; i < N ; i++)
        scanf("%d" , arr + i);
    for (int i = N - 1 ; i >= 0 ; i--){
        if (!frek[arr[i] - 1])
            ++ans;
        else
            --frek[arr[i] - 1];
        ++frek[arr[i]];
    }
    printf("%d\n" , ans);
}

Compilation message (stderr)

baloni.cpp: In function 'int main()':
baloni.cpp:5:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    5 |     scanf("%d" , &N);
      |     ~~~~~^~~~~~~~~~~
baloni.cpp:8:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |         scanf("%d" , arr + i);
      |         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100