#include <stdio.h> #include <stdlib.h> void bubble_sort(int *A,int n) { int i,chair,done; do { done=1; for (i=1;i<n;i++) { if (A[i]>A[i+1]) { chair=A[i]; A[i]=A[i+1]; A[i+1]=chair; done=0; } } } while (!done); } int main() { int *L,*S,n,i,j,height,islands,maxislands,sealevel,minl,maxl; scanf("%d",&n); L=(int*)calloc(n+1,sizeof(int)); S=(int*)calloc(n+1,sizeof(int)); scanf("%d",L+1); minl=L[1]; maxl=L[1]; S[1]=L[1]; for (i=2;i<=n;i++) { scanf("%d",L+i); if (L[i]<minl) minl=L[i]; else if (L[i]>maxl) maxl=L[i]; S[i]=L[i]; } bubble_sort(S,n); maxislands=0; for (i=0;i<=n;i++) { sealevel=S[i]; if (n-i<=maxislands) break; else { islands=0; for (j=1;j<=n;j++) { if (L[j]>sealevel && L[j-1]<=sealevel) { islands++; } } if (islands>maxislands) maxislands=islands; } } printf("%d\n",maxislands); }

gw.c: In function 'main':
gw.c:21:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     scanf("%d",&n);
      |     ^~~~~~~~~~~~~~
gw.c:24:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     scanf("%d",L+1);
      |     ^~~~~~~~~~~~~~~
gw.c:28:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         scanf("%d",L+i);
      |         ^~~~~~~~~~~~~~~