32 lines
719 B
C++
32 lines
719 B
C++
class Solution {
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public:
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int countPoints(string rings) {
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int rods[10] = {};
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for(int i=0; i<rings.size(); i+=2) {
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char c = rings[i];
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int id = rings[i+1] - '0';
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// printf("%c%d\n", c, id);
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switch (c) {
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case 'R':
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rods[id] |= 0x100;
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break;
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case 'G':
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rods[id] |= 0x10;
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break;
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case 'B':
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rods[id] |= 0x1;
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break;
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}
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}
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int c = 0;
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for(int i=0; i<10; i++) {
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// printf("%d %d\n", i, rods[i]);
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if (rods[i] == 0x111) c++;
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}
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return c;
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}
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};
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