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Time Limit: 2 s Memory Limit: 256 MB Total points: 100

#21143. 品种统计

Statistics

Farmer John 的 $N$ 头奶牛编号 $1 \ldots N$,正排成一列(她们经常这样,现在他只需稍加提醒就能排好)。每头有品种编号:$1$ 为 Holsteins,$2$ 为 Guernseys,$3$ 为 Jerseys。帮助统计队列指定区间内各品种的奶牛数量。

输入格式

第一行包含 $N$ 和 $Q$($1 \leq N \leq 100,000$,$1 \leq Q \leq 100,000$)。

接下来 $N$ 行各有一个整数 $1$、$2$ 或 $3$,依次表示一头奶牛的品种。

接下来 $Q$ 行各描述一次查询,为两个整数 $a, b$($a \leq b$)。

输出格式

对每个 $Q$ 次查询 $(a,b)$,输出一行三个数,依次为编号 $a \ldots b$ 的奶牛中 Holsteins(品种 $1$)、Guernseys(品种 $2$)、Jerseys(品种 $3$)的数量。

样例

输入格式 1

6 3
2
1
1
3
2
1
1 6
3 3
2 4

输出格式 1

3 2 1
1 0 0
2 0 1

题目作者:Nick Wu

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