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Change file for ladders.w
@x lines 184-185
for (u=g->vertices+g->n-1; u>=g->vertices; u--) {@+register Arc *a;
register char *p=u->name;
@y
for (u=g->vertices+g->n; u>g->vertices; ) {@+register Arc *a;
register char *p=(--u)->name;
@z
@x lines 191-192
for (u=g->vertices+g->n-1; u>=g->vertices; u--) {@+register Arc *a;
for (a=u->arcs; a; a=a->next)
@y
for (u=g->vertices+g->n; u>g->vertices; u) {@+register Arc *a;
for (a=(--u)->arcs; a; a=a->next)
@z
@x
for (uu=g->vertices+gg->n-1; uu>=g->vertices+g->n; uu--) {@+register Arc *a;
for (a=uu->arcs; a; a=a->next) {
@y
for (uu=g->vertices+gg->n; uu>g->vertices+g->n; ) {@+register Arc *a;
for (a=(--uu)->arcs; a; a=a->next) {
@z
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