Harryxun/sft_time huggingface dataset:
### BUGGY CODE ###

import heapq
def SME(start,end):
    A = []
    if end > N : end = N
    count = 0
    for i,x in enumerate(Whole[start:end]):
        heapq.heappush(A,[x,i])
    for j in range(start,end):
        a = heapq.heappop(A)
        
        if sum(ANS[a[1]:a[1]+L]) < MAX + len(ANS[a[1]:a[1]+L]) - 1 : continue
        for i in range(L):
            idx = a[1] + i
            try :
                if ANS[idx] == MAX:
                    ANS[idx] = a[0]
                    count += 1
            except IndexError : continue
        if count > N * parameter : break
    for i in range(L):
        if ANS[i] == MAX : ANS[i] = min(Whole[:i+1])
    for i in range(L,N):
        if ANS[i] == MAX : ANS[i] = min(Whole[i+1-L:i+1])
    return ANS

[N,L] = [int(x) for x in input().split()]
Whole = [int(x) for x in input().split()]
parameter = 0.995
MAX = 10**9+1
ANS = [MAX]*N
ANS = SME(0, N)
for i in ANS[L-1:-1]:print(i, end=" ")
print(ANS[-1])

### FIXED CODE ###

def ascend(a,b):
    mini = min(A[a:a+L])
    ans[a] = mini
    for i in range(a+1,b):
        if A[i+L-1] <= mini : mini = A[i+L-1]
        elif A[i-1] == mini : mini = min(A[i:i+L])
        ans[i] = mini

def descend(a,b):
    mini = min(A[b-1:b+L-1])
    ans[b-1] = mini
    for i in range(b-2,a-1,-1):
        if A[i] <= mini : mini = A[i]
        elif A[i+L] == mini: mini = min(A[i:i+L])
        ans[i] = mini
    
[N,L] = [int(x) for x in input().split()]
A = [int(x) for x in input().split()]
ans = [None]*(N-L+1)
count = 0;
if N > 10 ** 4:
    for i in range(100):
        if A[i+1] > A[i] : count += 1
    if count > 80 : descend(0, N-L+1)
    else : ascend(0,N-L+1)
else :
    ascend(0, N-L+1)
for i in ans[:-1] : print(i, end=" ")
print(ans[-1])
### BUGGY CODE ###

import itertools

n, m, k = map(int, input().split())
A = [0] + list(map(int, input().split()))
B = [0] + list(map(int, input().split()))

A = list(itertools.accumulate(A))
B = list(itertools.accumulate(B))

count = 0
for i in range(n+1):
    if A[i] > k:
        break
    
    j = m
    while A[i]+B[j] > k:
        j -= 1
        
    count = max(count, i+j)
    
print(count)


### FIXED CODE ###

import itertools

n, m, k = map(int, input().split())
A = [0] + list(map(int, input().split()))
B = [0] + list(map(int, input().split()))

A = list(itertools.accumulate(A))
B = list(itertools.accumulate(B))

count = 0
j = m
for i in range(n+1):
    if A[i] > k:
        break
    
    while A[i]+B[j] > k:
        j -= 1
        
    count = max(count, i+j)
    
print(count)
### BUGGY CODE ###


s = input()

q = int(input())


for i in range(q):
    li = input().split()
    if li[0] == "2":
        if li[1] =="1":
            s = li[2] + s

        elif li[1] == "2":
            s = s + li[2]

    elif li[0] == "1":
        s = s[::-1]

print(s)


### FIXED CODE ###


s = input()

q = int(input())
x = []
y = []

flag = 0

for i in range(q):
    li = list(input().split())
    if flag%2 == 0:
        if li[0] == "2":
            if li[1] =="1":
                x.append(li[2])
            else:
                y.append(li[2])
        else:
            flag += 1

    else:
        if li[0] == "2":
            if li[1] =="1":
                y.append(li[2])
            else:
                x.append(li[2])
        else:
            flag += 1

if flag%2 == 0:
    x = x[::-1]
    print("".join(x)+s+"".join(y))

else:
    s = s[::-1]
    y = y[::-1]
    print("".join(y)+s+"".join(x))
### BUGGY CODE ###

N, M= [int(i) for i in input().split(' ')]
graph = {}
 
for i in range(1,N+1):
  graph[i] = []
 
for j in range(M):
  a, b= [int(i) for i in input().split(' ')]
  graph[a].append(b)
  graph[b].append(a)
    
 
def bfs(graph, start):
  queue = [start]
  miti = {}
  for i in range(1,N+1):
    miti[i] = 0
  while queue:
    label = queue.pop(0)
    for i in graph[label]:
      if miti[i] != 0:
        continue
      queue.append(i)
      miti[i] = label
  return miti
 
miti = bfs(graph, 1)
if miti:
  print('Yes')
  for i in range(2,N+1):
    print(miti[i])
else:
  print('No')

### FIXED CODE ###

N, M= [int(i) for i in input().split(' ')]
graph = {}
 
for i in range(1,N+1):
  graph[i] = []
 
for j in range(M):
  a, b= [int(i) for i in input().split(' ')]
  graph[a].append(b)
  graph[b].append(a)
    
 
def bfs(graph, start):
  queue = [start]
  miti = [-1 for _ in range(N)]

  while queue:
    label = queue.pop(0)
    for i in graph[label]:
      if miti[i-1] < 0:
        queue.append(i)
        miti[i-1] = label
  return miti
 
miti = bfs(graph, 1)
if miti:
  print('Yes')
  for i in range(2,N+1):
    print(miti[i-1])
else:
  print('No')
### BUGGY CODE ###

n = int(input())
a = list(map(int,input().split()))



for i in range(0,a[0]*2+1,2):
    ans1 = [i]
    ans2 = [i]
    for j in range(1,n//2+1):
        tmp1 = (a[j-1]-ans1[j-1]//2)*2
        tmp2 = (a[-j]-ans2[j-1]//2)*2
        ans1.append(tmp1)
        ans2.append(tmp2)
    if (ans1[-1]/2 + ans2[-1]/2) == a[n//2]:
        ans2.reverse()
        ans2.pop()
        print(*ans1, end=" ")
        print(*ans2)
        exit()


### FIXED CODE ###

n = int(input())
a = list(map(int,input().split()))

s = sum(a)
s1 = 0
for i in range(1,n,2):
    s1 += a[i]

ans = [s-s1*2]
for i in range(1,n):
    ans.append((a[i-1]-ans[i-1]//2)*2)

print(*ans)
### BUGGY CODE ###

N = int(input())
import itertools
from collections import deque
ans = deque()
l = []
for i in range(N):
  l.append(chr(97+i))
  for x in itertools.product(l, repeat=N):
    f = [0]*10
    x = list(x)
    judge = True
    k = False
    for w in x:
      w = ord(w)-97
      f[w]=1
      if w==0:
        continue
      elif f[w-1]==1:
        continue
      else:
        k = True
        
    if k:
      continue
    else:
      ans.append(''.join(x))
ans = set(ans)
ans = sorted(list(ans))
for a in ans:
  print(a)

### FIXED CODE ###

N = int(input())
from collections import deque
import itertools
ans = deque()
l = []
r = deque()
for i in range(N):
  l.append(chr(97+i))
  r.append(l.copy())
  

p = [[[] for _ in range(N)] for _ in range(N)]
p[0][0].append('a')
for i in range(1,N):
  for j in r[i]:
    x = ord(j)-97
    for n,k in enumerate(p[i-1][max(0,x-1):],max(0,x-1)):
      for m in k:
        p[i][max(n,x)].append(m+j)


p = p[-1]
p = list(itertools.chain.from_iterable(p))
p = sorted(p)
for q in p:
  print(q)
### BUGGY CODE ###

N, K = map(int, input().split())
A = list(map(int, input().split()))
MOD = 10 ** 9 + 7

kai1 = [1, 1]
kai2 = [1, 1]
inverse = [0, 1]
for i in range(2, N + 1):
  kai1.append((kai1[-1] * i) % MOD)
  inverse.append((-inverse[MOD % i] * (MOD // i)) % MOD)
  kai2.append((kai2[-1] * inverse[-1]) % MOD)


def comb(n, r):
  if r < 0 or r > n:
    return 0
  r = min(r, n - r)
  return (kai1[n] * kai2[r] * kai2[n - r]) % MOD

if K >= 2:
  A.sort(reverse = True)
  ans = 0
  for i in range(N - K + 1):
    for j in range(i + K - 1, N):
      ans += (A[i] - A[j]) * comb(j - i - 1, max(0, K - 2))
      ans %= MOD
  print(ans)
else:
  print(0)

### FIXED CODE ###

N, K = map(int, input().split())
A = list(map(int, input().split()))
MOD = 10 ** 9 + 7

kai1 = [1, 1]
kai2 = [1, 1]
inverse = [0, 1]
for i in range(2, N + 1):
  kai1.append((kai1[-1] * i) % MOD)
  inverse.append((-inverse[MOD % i] * (MOD // i)) % MOD)
  kai2.append((kai2[-1] * inverse[-1]) % MOD)


def comb(n, r):
  if r < 0 or r > n:
    return 0
  r = min(r, n - r)
  return (kai1[n] * kai2[r] * kai2[n - r]) % MOD

if K >= 2:
  A.sort(reverse = True)
  maxS = 0
  minS = 0
  for i in range(N - K + 1):
    maxS += A[i] * comb(N - i - 1, K - 1)
    maxS %= MOD
  A.sort()
  for i in range(N - K + 1):
    minS += A[i] * comb(N - i - 1, K - 1)
    minS %= MOD
  print((maxS - minS) % MOD)
else:
  print(0)
### BUGGY CODE ###

def init_dict():
    global dic
    dic = {
        "a":0,"b":0,"c":0,"d":0,"e":0,"f":0,"g":0,"h":0,"i":0,"j":0,"k":0,"l":0,"m":0,"n":0,"o":0,"p":0,"q":0,"r":0,"s":0,"t":0,"u":0,"v":0,"w":0,"x":0,"y":0,"z":0
    }

def countchar(st: str):
    global dic
    global anls
    cp = dic.copy()
    for i in range(10):
        cp[st[i]] += 1
    anls.append(cp)

def search(ls:list):
    global ans
    for i in range(len(ls)-1):
        if ls[i] == ls[len(ls)-1]:
            ans += 1

def main():
    global dic
    global anls
    global ans
    n = int(input())
    dic = {
        "a":0,"b":0,"c":0,"d":0,"e":0,"f":0,"g":0,"h":0,"i":0,"j":0,"k":0,"l":0,"m":0,"n":0,"o":0,"p":0,"q":0,"r":0,"s":0,"t":0,"u":0,"v":0,"w":0,"x":0,"y":0,"z":0
    }
    anls = []
    ans = 0

    for i in range(n):
        s = input()
        init_dict()
        countchar(s)
        search(anls)
    
    print(ans)

if __name__ == "__main__":
    main()

### FIXED CODE ###

import operator as op
from functools import reduce

def ncr(n, r):
    r = min(r, n-r)
    numer = reduce(op.mul, range(n, n-r, -1), 1)
    denom = reduce(op.mul, range(1, r+1), 1)
    return numer / denom

def main(): 
    n = int(input())
    s = []
    dic = {}
    ans = 0
    for i in range(n):
        b = ""
        a = sorted(input())
        for j in range(len(a)):
            b += str(a[j])
        s.append(b)
        if b in dic:
            dic[str(b)] = dic[str(b)] + 1
        else:
            dic[str(b)] = 1

    for key in dic:
        if dic[key] > 1:
            ans += ncr(dic[key], 2)
    
    print(int(ans))
    # print(dic)

if __name__ == "__main__":
    main()
### BUGGY CODE ###

N, Q = list(map(int, input().split()))
S = input()
A = [list(map(int, input().split())) for i in range(Q)]

for a in A:
    tmp = S[a[0]-1:a[1]]
    print(tmp.count('AC'))


### FIXED CODE ###

from itertools import accumulate


N, Q = list(map(int, input().split()))
S = input()
A = [list(map(int, input().split())) for i in range(Q)]

flg = []
for i in range(N-1):
    tmp_S = S[i:i+2]
    if tmp_S == 'AC':
        flg.append(1)
    else:
        flg.append(0)

# print(flg)
flg2 = [0] + flg
flg2 = list(accumulate(flg2))
# print(flg2)

for a in A:
    print(flg2[a[1]-1] - flg2[a[0]-1])
### BUGGY CODE ###

from collections import deque

N,M = map(int, input().split())

graph = [[] for i in range(N)]
for i in range(M):
    L,R,D = map(int, input().split())
    graph[L-1].append([R-1, D])
    graph[R-1].append([L-1, -D])

dist = [int(1e10)] * N

def bfs(id):
    
    Q = deque()
    Q.append(id)
    dist[id] = 0

    while len(Q) != 0:
        v = Q.popleft()

        for edge in graph[v]:
            u, d = edge[0], edge[1]

            if dist[u] == int(1e10):
                dist[u] = dist[v] + d
                Q.append(u)
            elif dist[u] != dist[v] + d:
                print("No")
                exit()


for i in range(N):
    if dist[i] == int(1e10):
        bfs(i)

print("Yes")




### FIXED CODE ###

from collections import deque

N,M = map(int, input().split())

graph = [[] for i in range(N)]
for i in range(M):
    L,R,D = map(int, input().split())
    graph[L-1].append([R-1, D])
    graph[R-1].append([L-1, -D])

dist = [int(1e10)] * N

def bfs(id):
    Q = deque()
    Q.append(id)
    dist[id] = 0

    while len(Q) != 0:
        v = Q.popleft()

        for edge in graph[v]:
            u, d = edge[0], edge[1]

            if dist[u] == int(1e10):
                dist[u] = dist[v] + d
                Q.append(u)
            elif dist[u] != dist[v] + d:
                print("No")
                exit()


for i in range(N):
    if dist[i] == int(1e10):
        bfs(i)

print("Yes")
### BUGGY CODE ###

import sys
import os


def main():
    if os.getenv("LOCAL"):
        sys.stdin = open("input.txt", "r")

    N = int(sys.stdin.readline().rstrip())
    A = [int(sys.stdin.readline().rstrip()) for _ in range(N)]

    for n in range(N):
        l = len(A)
        a = A[0:n] if len(A[0:n]) > 0 else [0]
        b = A[n + 1:l] if len(A[n + 1: l]) else [0]
        print(max(max(a), max(b)))


if __name__ == '__main__':
    main()


### FIXED CODE ###

import sys
import os
import copy

def main():
    if os.getenv("LOCAL"):
        sys.stdin = open("input.txt", "r")

    N = int(sys.stdin.readline().rstrip())
    A = [int(sys.stdin.readline().rstrip()) for _ in range(N)]
    B = copy.copy(A)
    A.sort(reverse=True)
    f = A[0]
    s = A[1]

    for n in range(N):
        t = B[n]
        if f == t:
            print(s)
        else:
            print(f)


if __name__ == '__main__':
    main()
### BUGGY CODE ###

import sys
sys.setrecursionlimit(1000000)
input = sys.stdin.readline
N,K = [int(x) for x in input().split()]
edge = [[int(x) for x in input().split()]for _ in range(N-1)]
mod = 10**9+7
def dfs(n,fr):
    color = 0
    if(fr==-1):
        color = K-1
    else:
        color = K-2
    if(K<len(edges[n])):
        return 0
    else:
        case_num = 1
        for e in edges[n]:
            if(e==fr):continue
            case_num*=color
            case_num*=dfs(e,n)
            color-=1
            case_num%=mod
            
        return case_num

edges = [[] for _ in range(N)]
for s,d in edge:
    s-=1
    d-=1
    edges[s].append(d)
    edges[d].append(s)
ans = K*dfs(0,-1)
print(ans%mod)


### FIXED CODE ###

import sys
from collections import deque
sys.setrecursionlimit(1000000)
input = sys.stdin.readline
mod = 10**9+7
def dfs():
    stack = deque([[-1,0]])
    visited = set()
    case_num=1
    while stack:
        fr,n = stack.pop()
        if(n in visited):continue
        visited.add(n)
        color = 0
        if(fr==-1):
            color = K-1
        else:
            color = K-2
        if(K<len(edges[n])):
            return 0
        else:
            for e in edges[n]:
                if(e==fr):continue
                case_num*=color
                color-=1
                stack.append([n,e])
                case_num%=mod
    return case_num%mod

if(__name__=='__main__'):
    N,K = [int(x) for x in input().split()]
    edges = [[] for _ in range(N)]
    for _ in range(N-1):
        s,d = [int(x) for x in input().split()]
        edges[s-1].append(d-1)
        edges[d-1].append(s-1)
    ans = K*dfs()
    print(ans%mod)
### BUGGY CODE ###

# -*- coding: utf-8 -*-
#
import math
import sys
import itertools
import numpy as np

n =int(input())

a=0

while n > 0:
    a += n % 10
    n = n// 10

if a%9 == 0:
    print('Yes')
else:
    print('No')
    


### FIXED CODE ###

# -*- coding: utf-8 -*-
#
import math
import sys
import itertools
import numpy as np

mojiretsu = list(input())

a=0

for b in mojiretsu:
    a += int(b)
    

if a%9 == 0:
    print('Yes')
else:
    print('No')
### BUGGY CODE ###

import sys
from collections import deque

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N = ir()
A = [deque([(i, x) for x in lr()]) for i in range(1, N+1)]
day = 0
candidate = set()
match = 0
for i in range(N):
    c = A[i].popleft()
    candidate.add(c)

while candidate:
    day += 1
    used = set()
    next = set()
    rmv = set()
    for a, b in candidate:
        if a in used or b in used:
            continue
        if (b, a) in candidate:
            rmv.add((a, b))
            rmv.add((b, a))
            match += 1
            if A[a-1]:
                x = A[a-1].popleft()
                next.add(x)
            if A[b-1]:
                y = A[b-1].popleft()
                next.add(y)
            used.add(a)
            used.add(b)
    candidate -= rmv
    if match == N * (N-1) // 2:
        break
    candidate |= next
    if not used:
        print(-1); exit()

print(day)
# 10


### FIXED CODE ###

import sys
import copy
from collections import deque

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N = ir()
A = [deque(lr()) for _ in range(N)]

match = 0
candidate = []
used = set()
for i in range(N):    
    bool = False
    if len(A[i]) == 0:
        continue
    op = A[i][0] - 1
    if op in used or i in used:
        continue
    if A[op][0]-1 == i:
        used.add(i)
        used.add(op)
        candidate.extend([i, op])
        match += 1
        bool = True
        A[i].popleft()
        A[op].popleft()
answer = 1

while True:
    used = set()
    bool = False
    c = []
    for i in candidate:
        if len(A[i]) == 0:
            continue
        op = A[i][0] - 1
        if op in used or i in used:
            continue
        if A[op][0]-1 == i:
            used.add(i)
            used.add(op)
            match += 1
            c.extend([i, op])
            bool = True
            A[i].popleft()
            A[op].popleft()
    
    answer += 1
    candidate = c
    if match == N * (N-1) // 2:
        break
    if not bool:
        print(-1)
        exit()

print(answer)
### BUGGY CODE ###

# -*- coding: utf-8 -*-
from collections import defaultdict,deque
N = int(input())
abc = [list(map(int, input().split())) for _ in range(N-1)]
Q, K = map(int, input().split())
xy = [list(map(int, input().split())) for _ in range(Q)]

graph = defaultdict(lambda: defaultdict(int))

for a,b,c in abc:
    graph[a-1][b-1] = c
    graph[b-1][a-1] = c

def xfs(v,g):
    que = deque()
    que.append([v,0])
    while len(que) > 0:
        # i,dist = que.pop()  # 深さ優先探索        
        i,dist = que.popleft() #幅優先探索
        if i == g:
            return dist
        visited[i] = True
        for n, val in graph[i].items():
            if visited[n] == False:
                que.append([n,dist+val])

    return -1

for x,y in xy:
    visited = defaultdict(bool)
    d1 = xfs(x-1, K-1)
    visited = defaultdict(bool)
    d2 = xfs(K-1, y-1)
    print(d1 + d2)


### FIXED CODE ###

# -*- coding: utf-8 -*-
from collections import defaultdict,deque
N = int(input())
abc = [list(map(int, input().split())) for _ in range(N-1)]
Q, K = map(int, input().split())
xy = [list(map(int, input().split())) for _ in range(Q)]

# graph = defaultdict(lambda: defaultdict(int))
graph = [defaultdict(int) for _ in range(N)]

for a,b,c in abc:
    graph[a-1][b-1] = c
    graph[b-1][a-1] = c

def xfs(v):
    dist = [-1 for _ in range(N)]
    dist[v] = 0
    que = deque()
    que.append(v)
    while len(que) > 0:
        i = que.pop()  # 深さ優先探索        
        # i = que.popleft() #幅優先探索
        for n, val in graph[i].items():
            if dist[n] == -1:
                dist[n] = dist[i] + val
                que.append(n)
    return dist

dist = xfs(K-1)

for x,y in xy:
    print(dist[x-1] + dist[y-1])
### BUGGY CODE ###

#!/usr/bin/env python3
from itertools import product, permutations, combinations
from bisect import bisect_right,bisect_left

N=int(input())
Pn=list(map(int, input().split()))
cnt = 0
for i in range(N):
    p_i = Pn[i]
    p_j = min(Pn[:i+1])
    if p_i <= p_j:
        cnt += 1
print(cnt)

### FIXED CODE ###

#!/usr/bin/env python3
from itertools import product, permutations, combinations
from bisect import bisect_right,bisect_left

N=int(input())
Pn=list(map(int, input().split()))
p_min = [10**5 + 7 for i in range(N+1)]

cnt = 1
p_min[0] = Pn[0]
for i in range(1, N):
    p_i = Pn[i]
    p_j = min(p_i, p_min[i-1])
    p_min[i] = p_j
    if p_i <= p_j:
        cnt += 1
print(cnt)
### BUGGY CODE ###

import sys
input= sys.stdin.readline

N,M = map(int,input().split())
g=M//N#最大公約数になる可能性のある最大値
for i in range(g):
  if M%(g-i)==0:
    print(g-i)
    exit()

### FIXED CODE ###

import sys
input= sys.stdin.readline

N,M = map(int,input().split())
g=M//N#最大公約数になる可能性のある最大値
for i in range(g):
  if M%(g-i)==0:
    print(g-i)
    exit()
  if M%(N+i)==0:
    print(M//(N+i))
    exit()
### BUGGY CODE ###

import sys
from scipy.sparse import csr_matrix
# from scipy.sparse.csgraph import floyd_warshall
from scipy.sparse.csgraph import dijkstra

input = sys.stdin.readline

n, x, y = map(int, input().split())
# A,B: 頂点, C: コスト
A, B, C = [], [], []

for i in range(n-1):
    A.append(i)
    B.append(i+1)
    C.append(1)

A.append(x-1)
B.append(y-1)
C.append(1)

# directed: 有効ならTrue, indices: 始点
# WF O(V^3)
# wf = floyd_warshall(csr_matrix((C, (A, B)), shape = (n, n)), directed=False)
# Dijkstra O((V+E)logV)
ans = [0 for i in range(n-1)]

for i in range(n):
    di = dijkstra(csr_matrix((C, (A, B)), shape = (n, n)), directed=False, indices=i)
    for k in di:
        if k:
            ans[int(k-1)] += 1

for k in ans:
    print(k // 2)

### FIXED CODE ###

n, x, y = map(int, input().split())
ans = [0 for i in range(n)]
x -= 1
y -= 1
for i in range(n):
    for j in range(i+1, n):
        cand1 = j - i
        cand2 = abs(x - i) + 1 + abs(y-j)
        ans[min(cand1, cand2)] += 1

for item in ans[1:]:
    print(item)
### BUGGY CODE ###

import sys

input = sys.stdin.readline

ri = lambda: int(input())
rs = lambda: input().rstrip()
ril = lambda: list(map(int, input().split()))
rsl = lambda: input().rstrip().split()
ris = lambda n: [ri() for _ in range(n)]
rss = lambda n: [rs() for _ in range(n)]
rils = lambda n: [ril() for _ in range(n)]
rsls = lambda n: [rsl() for _ in range(n)]

h, n = ril()
ls = rils(n)
dp = [float('inf')] * (h + 1)
dp[0] = 0
for i, (a, b) in enumerate(ls):
    for j in range(h + 1):
        dp[min(j + a, h)] = min(dp[min(j + a, h)], dp[j] + b)
print(dp[-1])

### FIXED CODE ###

import sys

input = sys.stdin.readline

ri = lambda: int(input())
rs = lambda: input().rstrip()
ril = lambda: list(map(int, input().split()))
rsl = lambda: input().rstrip().split()
ris = lambda n: [ri() for _ in range(n)]
rss = lambda n: [rs() for _ in range(n)]
rils = lambda n: [ril() for _ in range(n)]
rsls = lambda n: [rsl() for _ in range(n)]

h, n = ril()
ls = rils(n)
dp = [float('inf')] * (h + 1)
dp[0] = 0
for i, (a, b) in enumerate(ls):
    for j in range(h + 1):
        dp[min(j + a, h)] = min(dp[min(j + a, h)], dp[j] + b)
print(dp[-1])
### BUGGY CODE ###

from collections import deque

def bfs(idx,k):
  q = deque()
  visited[idx] = True
  q.append(idx)
  color = 0
  while q:
    r = q.pop()
    ver = set(graph[r].keys())
    col = [i for i in range(k) if i not in set(graph[r].values())]
    i = 0
    for n in ver:
      if not visited[n]:
        graph[r][n] = col[i]
        graph[n][r] = col[i]
        i = (i+1)%len(col)

        visited[n] = True
        q.append(n)

        
N = int(input())
graph = {}
visited = [False]*(N+1)
for i in range(N+1):
  graph[i] = {}
ab = []
for i in range(N-1):
  a,b = map(int,input().split())
  ab.append((a,b))
  graph[a][b] = -1
  graph[b][a] = -1
  
k = max([len(graph[i]) for i in range(1,N+1)])

bfs(1,k)
print(k)
for a,b in ab:
  print(graph[a][b]+1)

  


  


### FIXED CODE ###

from collections import deque

def bfs(idx,k,colored):
  q = deque()
  visited[idx] = True
  q.append(idx)
  while q:
    r = q.pop()
    color = 0
    for n in graph[r].keys():
      if not visited[n]:
        if color == colored[r]: color+=1
        colored[n] = color
        graph[r][n] = color
        graph[n][r] = color
        color += 1

        visited[n] = True
        q.append(n)

        
N = int(input())
graph = {}
colored = [-1]*(N+1)
visited = [False]*(N+1)
for i in range(N+1):
  graph[i] = {}
ab = []
for i in range(N-1):
  a,b = map(int,input().split())
  ab.append((a,b))
  graph[a][b] = -1
  graph[b][a] = -1
  
k = max([len(graph[i]) for i in range(1,N+1)])

bfs(1,k,colored)
print(k)
for a,b in ab:
  print(graph[a][b]+1)
### BUGGY CODE ###

import numpy as np
A, B = map(int, input().split())

bins = np.array([i for i in range(A, B+1)], dtype='int64')

ans = bins[0]
for i in range(1,len(bins)):
    ans = int(bin(ans ^ bins[i]), 2)

print(ans)

### FIXED CODE ###

import numpy as np

A, B = map(int, input().split())

# bins = np.array([i for i in range(A, B+1)], dtype='int64')
if A % 2 == 0:
    if B % 2 == 0:
        # 偶偶
        if ((B - A) / 2) % 2 == 0:
            print(int(bin(B ^ 0), 2))
        else:
            print(int(bin(B ^ 1), 2))
    else:
        # 偶奇
        if ((B - A + 1) / 2) % 2 == 0:
            print(0)
        else:
            print(1)
else:
    if B % 2 == 0:
        # 奇遇
        if ((B-A-1) / 2) % 2 == 0:
            print(int(bin(B ^ A), 2))
        else:
            print(int(bin(B ^ A ^ 1), 2))
    else:
        # 奇奇
        if ((B-A) / 2) % 2 == 0:
            print(A)
        else:
            print(A ^ 1)