PTA data structures: an array rotate left

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#include<stdio.h>
int main(){
    int n,m;
    scanf("%d %d",&n,&m);
    if(m>n){
        m=m%n;
    }
    int a[100],b[100];
    int i=0,j=0;
    for(i=0;i<n;i++){
        scanf("%d",&a[i]);
    }
    for(i=m,j=0;i<n;i++){
        b[j++]=a[i];
    }
    for(i=0;i<m;i++){
        b[j++]=a[i];
    }
    for(i=0;i<n-1;i++){
        printf("%d ",b[i]);
    }
    printf("%d",b[i]);
    return 0;
}

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Origin blog.csdn.net/weixin_44652687/article/details/100915600