13299 rearrange 2
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#include <stdio.h> #include <string.h> int main (void){ int i,j,k,a,b; int left,right; int line[100000]; //學生排列情形 int ans[100000]; //學生位置 int id[1000000]; //儲存要找的id int pos[1000000]; //目標id的位置 int N,M,Q; scanf("%d %d %d",&N,&M,&Q); //建立隊伍 for ( i = 1; i <= N; i++){ line[i] = i; } //交換位置 for ( j = 1; j<=M; j++) { scanf("%d %d",&a,&b); left = line[a]; right = line[b]; line[a] = right; line[b] = left; } //紀錄交換後的學生位置 for ( k = 1; k <= N ; k++) { ans[line[k]] = k; } //紀錄目標id的位置 for ( i = 1; i <= Q; i++){ scanf("%d",&id[i]); pos[i] = ans[id[i]]; } //印出結果 printf("%d",pos[1]); for ( j = 2; j <= Q ; j++) { printf(" %d",pos[j]); } printf("\n"); return 0; }
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