27 lines
708 B
C++
27 lines
708 B
C++
#include <stdio.h>
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#include <string.h>
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#define maxn 32800
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bool arr[maxn << 1];
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int main() {
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int n, m, i, j, cnt, cas = 0;
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while(scanf("%d%d", &n, &m) == 2) {
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memset(arr, 0, sizeof(bool) * n * 2);
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for(i = j = 0; i < n; ++i) {
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cnt = 0;
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while(true) {
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if(arr[j] == false) {
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if(++cnt == m) break;
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}
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if(++j == 2 * n) j = 0;
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}
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arr[j] = true;
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}
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for(i = 0; i < n * 2; ++i) {
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putchar(arr[i] ? 'B' : 'G');
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if((i + 1) % 50 == 0) putchar('\n');
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}
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putchar('\n'); putchar('\n');
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}
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return 0;
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}
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