1
var maximumWealth = function (accounts) {
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  var res = 0;
3
  for (var i = 0; i < accounts.length; i++) {
4
    var temp = 0;
5
    for (var j = 0; j < accounts[i].length; j++) {
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      temp += accounts[i][j];
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    }
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    res = Math.max(res, temp);
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  }
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  return res;
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};