5 lines
142 B
C++
5 lines
142 B
C++
ok = true; // 1<=i&&i<=n : $x$, n+1<=i&&i<=2*n : $!x$
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forr(i, n) {
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if (scn[i] == scn[i+n]) ok = false;
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ans[i] = (scn[i] < scn[i+n]);
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} |