Submission #1241689

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int N;
int A[(int)1e5 + 10];

int main() {
   scanf("%d", &N);
   for(int i = 0; i < N; i++) {
      scanf("%d", &A[i]);
   }
   int rs = 0, i = 0;
   while(i < N) {
      rs++;
      // cerr << "[" << i << " ";
      while(i+1 < N && A[i+1] == A[i]) i++;
      if(i+1 == N) break;
      if(A[i] < A[i+1]) {
         while(i+1 < N && A[i] <= A[i+1]) i++;
      } else {
         while(i+1 < N && A[i] >= A[i+1]) i++;
      }
      i++;
   }
   printf("%d\n", rs);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &N);
                   ^
./Main.cpp:10:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &A[i]);
                         ^

Judge Result