結果

問題 No.1194 Replace
ユーザー KeroruKeroru
提出日時 2020-08-22 17:33:18
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 709 ms / 2,000 ms
コード長 4,109 bytes
コンパイル時間 975 ms
コンパイル使用メモリ 81,664 KB
実行使用メモリ 231,340 KB
最終ジャッジ日時 2024-10-15 11:22:10
合計ジャッジ時間 15,696 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 576 ms
166,312 KB
testcase_01 AC 592 ms
179,148 KB
testcase_02 AC 495 ms
168,272 KB
testcase_03 AC 447 ms
147,724 KB
testcase_04 AC 588 ms
178,788 KB
testcase_05 AC 562 ms
174,976 KB
testcase_06 AC 563 ms
165,424 KB
testcase_07 AC 709 ms
231,080 KB
testcase_08 AC 705 ms
231,340 KB
testcase_09 AC 684 ms
230,736 KB
testcase_10 AC 701 ms
230,868 KB
testcase_11 AC 690 ms
231,240 KB
testcase_12 AC 696 ms
230,952 KB
testcase_13 AC 548 ms
141,676 KB
testcase_14 AC 484 ms
128,292 KB
testcase_15 AC 420 ms
129,416 KB
testcase_16 AC 503 ms
137,080 KB
testcase_17 AC 416 ms
121,264 KB
testcase_18 AC 422 ms
121,624 KB
testcase_19 AC 520 ms
141,496 KB
testcase_20 AC 158 ms
92,288 KB
testcase_21 AC 154 ms
92,288 KB
testcase_22 AC 157 ms
92,288 KB
testcase_23 AC 279 ms
108,832 KB
testcase_24 AC 221 ms
98,200 KB
testcase_25 AC 193 ms
93,440 KB
testcase_26 AC 298 ms
107,192 KB
testcase_27 AC 197 ms
93,312 KB
testcase_28 AC 236 ms
98,304 KB
testcase_29 AC 180 ms
93,284 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import sys,bisect,string,math,time,functools,random,fractions
from heapq import heappush,heappop,heapify
from collections import deque,defaultdict,Counter
from itertools import permutations,combinations,groupby
rep=range;R=range
def Golf():n,*t=map(int,open(0).read().split())
def I():return int(input())
def S_():return input()
def IS():return input().split()
def LS():return [i for i in input().split()]
def MI():return map(int,input().split())
def LI():return [int(i) for i in input().split()]
def LI_():return [int(i)-1 for i in input().split()]
def NI(n):return [int(input()) for i in range(n)]
def NI_(n):return [int(input())-1 for i in range(n)]
def StoLI():return [ord(i)-97 for i in input()]
def ItoS(n):return chr(n+97)
def LtoS(ls):return ''.join([chr(i+97) for i in ls])
def RA():return map(int,open(0).read().split())
def RLI(n=8,a=1,b=10):return [random.randint(a,b)for i in range(n)]
def RI(a=1,b=10):return random.randint(a,b)
def Rtest(T):
    case,err=0,0
    for i in range(T):
        inp=INP()
        a1,ls=naive(*inp)
        a2=solve(*inp)
        if a1!=a2:
            print((a1,a2),inp)
            err+=1
        case+=1
    print('Tested',case,'case with',err,'errors')
def GI(V,E,ls=None,Directed=False,index=1):
    org_inp=[];g=[[] for i in range(V)]
    FromStdin=True if ls==None else False
    for i in range(E):
        if FromStdin:
            inp=LI()
            org_inp.append(inp)
        else:
            inp=ls[i]
        if len(inp)==2:
            a,b=inp;c=1
        else:
            a,b,c=inp
        if index==1:a-=1;b-=1
        aa=(a,c);bb=(b,c);g[a].append(bb)
        if not Directed:g[b].append(aa)
    return g,org_inp
def GGI(h,w,search=None,replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1):
    #h,w,g,sg=GGI(h,w,search=['S','G'],replacement_of_found='.',mp_def={'#':1,'.':0},boundary=1) # sample usage
    mp=[boundary]*(w+2);found={}
    for i in R(h):
        s=input()
        for char in search:
            if char in s:
                found[char]=((i+1)*(w+2)+s.index(char)+1)
                mp_def[char]=mp_def[replacement_of_found]
        mp+=[boundary]+[mp_def[j] for j in s]+[boundary]
    mp+=[boundary]*(w+2)
    return h+2,w+2,mp,found
def TI(n):return GI(n,n-1)
def accum(ls):
    rt=[0]
    for i in ls:rt+=[rt[-1]+i]
    return rt
def bit_combination(n,base=2):
    rt=[]
    for tb in R(base**n):s=[tb//(base**bt)%base for bt in R(n)];rt+=[s]
    return rt
def gcd(x,y):
    if y==0:return x
    if x%y==0:return y
    while x%y!=0:x,y=y,x%y
    return y
def YN(x):print(['NO','YES'][x])
def Yn(x):print(['No','Yes'][x])
def show(*inp,end='\n'):
    if show_flg:print(*inp,end=end)

mo=10**9+7
inf=float('inf')
FourNb=[(-1,0),(1,0),(0,1),(0,-1)];EightNb=[(-1,0),(1,0),(0,1),(0,-1),(1,1),(-1,-1),(1,-1),(-1,1)];compas=dict(zip('WENS',FourNb));cursol=dict(zip('LRUD',FourNb))
l_alp=string.ascii_lowercase
#sys.setrecursionlimit(10**9)
read=sys.stdin.buffer.read;readline=sys.stdin.buffer.readline;input=lambda:sys.stdin.readline().rstrip()

class Comb:
    def __init__(self,n,mo=10**9+7):
        self.fac=[0]*(n+1)
        self.inv=[1]*(n+1)
        self.fac[0]=1
        self.fact(n)
        for i in range(1,n+1):
            self.fac[i]=i*self.fac[i-1]%mo
            self.inv[n]*=i
            self.inv[n]%=mo
        self.inv[n]=pow(self.inv[n],mo-2,mo)
        for i in range(1,n):
            self.inv[n-i]=self.inv[n-i+1]*(n-i+1)%mo
        return
    
    def fact(self,n):
        return self.fac[n]
        
    def invf(self,n):
        return self.inv[n]

    def comb(self,x,y):
        if y<0 or y>x:
            return 0
        return self.fac[x]*self.inv[x-y]*self.inv[y]%mo



show_flg=False
show_flg=True

ans=0

n,m=map(int,input().split())
g=defaultdict(list)
nod=[]
for i in range(m):
    b,c=map(int,input().split())
    g[c]+=b,
    nod.append(c)

q=list(sorted(nod))

v=defaultdict(int)
while q:
    c=q.pop()
    v[c]=max(v[c],c)
    for j in g[c]:
        if v[j]==0:
            q.append(j)
            v[j]=v[c]
ans=n*(n+1)//2
for i,j in v.items():
    if j>i:
        ans+=j-i
print(ans)

0