Submission #23097

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
23097	2017-05-03 05:21:30	model_code	Telefoni (COCI17_telefoni)	C++11	80 / 80	23 ms	1116 KiB

telefoni

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#include <cstdio>
#include <string>
#include <vector>
#include <map>
#include <cstdlib>
#include <algorithm>
#include <cstring>
using namespace std;
typedef long long llint;
typedef pair <int, int> pii;
int n, d;
int main (void){
  scanf("%d%d", &n, &d);
  int last = 0;
  int ans = 0;
  for (int i = 0; i < n; ++i) {
    int x; scanf("%d", &x);
    if (x == 1) last = i;
    if (i - last == d) {
      ++ans;
      last = i;
    }
  }
  printf("%d\n", ans);
  return 0;
}
 
 
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Compilation message (stderr)

telefoni.cpp: In function 'int main()':
telefoni.cpp:17:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &n, &d);
                        ^
telefoni.cpp:21:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int x; scanf("%d", &x);
                           ^

• Subtask 1: 80 / 80