41 lines
649 B
Text
41 lines
649 B
Text
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int program(int argc, string[] argv) {
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var n = 500;
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return leastsquare(n);
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}
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/*finds the least number of squares to sum up to n*/
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int leastsquare(int n) {
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var cache = new int[]{n+1};
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cache[0] = 0;
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cache[1] = 1;
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cache[2] = 2;
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cache[3] = 3;
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for (var i = 4; i < n + 1; i=i+1;) {
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/*set to some arbitrary high number*/
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cache[i] = i;
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for (var k = 1; k < n; k = k + 1;) {
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var temp = k*k;
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if (temp > i) {
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} else {
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cache[i] = min(cache[i], 1 + cache[i - temp]);
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}
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}
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}
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return cache[n];
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}
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int min(int y, int x) {
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if (x > y) {
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return y;
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} else {
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return x;
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}
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}
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