3880-minimum-absolute-difference-between-two-values

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c

#define MIN(a, b) ((a) < (b) ? (a) : (b))
int minAbsoluteDifference(int* nums, int numsSize) {
    int prev = -1;
    int prevNum = -1;
    int ans = 1000;
    for(int I = 0; I<numsSize; I++){
        if(nums[I] == 1 && prevNum == 2){
            ans = MIN(ans, I-prev);
        }
        if(nums[I] == 2 && prevNum == 1){
            ans = MIN(ans, I-prev);
        }
        if(nums[I] == 1 || nums[I]==2){
            prev = I;
            prevNum = nums[I];
        }
    }
    return ans==1000?-1:ans;
}

js

/**
 * @param {number[]} nums
 * @return {number}
 */
var minAbsoluteDifference = function(nums) {
    let prev = -1;
    let prevNum = -1;
    let ans = 1000;
    for(let I = 0; I<nums.length; I++){
        if(nums[I] == 1 && prevNum == 2){
            ans = Math.min(ans, I-prev);
        }
        if(nums[I] == 2 && prevNum == 1){
            ans = Math.min(ans, I-prev);
        }
        if(nums[I] == 1 || nums[I]==2){
            prev = I;
            prevNum = nums[I];
        }
    }
    return ans==1000?-1:ans;
};