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#include? < stdio.h >

int ?????n;

int ?????r[ 110 ][ 110 ];

int ?????p[ 110 ];?

int ?main()

{

???? while (?scanf( " %d " , & n) != ?EOF?)

???? {

???????? for (? int ?i = ? 0 ;?i < ?n;? ++ i?)

???????? {

????????????scanf( " %d " ,? & p[i]?);

????????????r[i][i] = ? 0 ;?r[i + 1 ][i] = ? 0 ;?r[i][i + 1 ] = ? 0 ;

????????}

????????

???????? for (? int ?d = ? 2 ;?d < ?n;? ++ d?)

???????????? for (? int ?i = ? 0 ;?i < ?n - ?d;? ++ i?)

???????????? {

???????????????? int ?j = ?i + ?d;

????????????????

????????????????r[i][j] = ?r[i + 1 ][j] + ?p[i] * ?p[i + 1 ] * ?p[j];

????????????????

???????????????? for (? int ?k = ?i + 1 ;?k < ?j;? ++ k?)

???????????????? {

???????????????????? int ?t = ?r[i][k] + ?r[k][j] + ?p[i] * ?p[k] * ?p[j];

????????????????????

???????????????????? if (?t < ?r[i][j]?)?r[i][j] = ?t;

????????????????}

????????????}

????

????????printf( " %d\n " ,?r[ 0 ][n - 1 ]?);

????}

????

???? return ? 0 ;

}

posted on 2008-11-03 17:56 Darren 閱讀(600) 評論(0) 編輯收藏引用所屬分類: 動態規劃

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