11 lines
249 B
Text
11 lines
249 B
Text
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string sub (string str, int start, int len) {
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var arr = array_of_string(str);
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var r = new int[len]{i -> arr[i+start]};
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return string_of_array (r);
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}
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int program (int argc, string [] argv) {
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print_string (sub(argv[1], 3, 5));
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return 0;
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}
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