1. Two Sum
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算法思路:保存到一个临时数组后,排序,然后从中间断开,一个从0开始,另一个从len/2开始判断相加后是否相等。
/** * @param {number[]} nums * @param {number} target * @return {number[]} */var twoSum = function(nums, target) { var i,j,k,len = nums.length; var number_tmp = nums.join(',').split(',').map(function(num){ return Number(num); }); number_tmp.sort(function(a,b){ return a-b; }) for(i=0;i<len;i++){ if(number_tmp[i] == target/2){ k=i; break; } if(number_tmp[i] > target/2){ k = i-1; break; } } for(i=0;i<=k;i++){ for(j=k+1;j<len;j++){ if(number_tmp[i]+number_tmp[j] == target){ if(number_tmp[i] == number_tmp[j]){ i = numbers.indexOf(numbers_tmp[i]); j = numbers.indexOf(numbers_tmp[i])+1; } else{ i = numbers.indexOf(numbers_tmp[i]); j = numbers.indexOf(numbers_tmp[j]); } return [Math.min(i,j),Math.max(i,j)]; } } } };
0 0
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