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lines changed Original file line number Diff line number Diff line change @@ -67,28 +67,28 @@ private long countAll(
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return total ;
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}
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- private static final List <long []> ls = new ArrayList <>();
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+ private static final List <long []> LONGS = new ArrayList <>();
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static {
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- ls .add (new long [] {1 });
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+ LONGS .add (new long [] {1 });
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}
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private static long choose (int a , int b ) {
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- while (a >= ls .size ()) {
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- long [] prev = ls .get (ls .size () - 1 );
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+ while (a >= LONGS .size ()) {
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+ long [] prev = LONGS .get (LONGS .size () - 1 );
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long [] next = new long [prev .length + 1 ];
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for (int i = 0 ; i < prev .length ; i ++) {
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next [i ] = (next [i ] + prev [i ]) % M ;
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next [i + 1 ] = prev [i ];
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}
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- ls .add (next );
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+ LONGS .add (next );
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}
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if (a - b < b ) {
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b = a - b ;
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}
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if (b < 0 ) {
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return 0 ;
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}
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- return ls .get (a )[b ];
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+ return LONGS .get (a )[b ];
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}
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}
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