30 lines
600 B
JavaScript
30 lines
600 B
JavaScript
function checkBalance(i) {
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while (i.length % 2 == 0) {
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j = i.replace('{}','');
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if (j == i)
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break;
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i = j;
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}
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return (i?false:true);
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}
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var g = 10;
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while (g--) {
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var N = 10 - Math.floor(g/2), n=N, o='';
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while (n || N) {
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if (N == 0 || n == 0) {
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o+=Array(++N).join('}') + Array(++n).join('{');
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break;
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}
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if (Math.round(Math.random()) == 1) {
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o+='}';
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N--;
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}
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else {
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o+='{';
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n--;
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}
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}
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alert(o+": "+checkBalance(o));
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}
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