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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#301333 | #7954. Special Numbers | Himeno_Towa# | WA | 24ms | 5360kb | C++20 | 1.8kb | 2024-01-09 18:03:17 | 2024-01-09 18:03:17 |
Judging History
answer
#include <bits/stdc++.h>
const int mod = 1e9 + 7;
inline int mul(int x, int y){return 1ll * x * y % mod;}
inline int add(int x, int y){return x + y >= mod ? x + y - mod : x + y;}
inline int minus(int x, int y){return x < y ? x - y + mod : x - y;}
long long k;
int lenl, lenr, a[25];
char l[25], r[25];
std::unordered_map <long long, int> dp[25][2];
inline long long t(long long x){return std::__gcd(x, k) % k;}
int cal(char s[]){
int len = strlen(s);
if(len == 1 && s[0] == '0') return 0;
for(int i = 0; i < len; ++i) a[i] = s[i] - '0';
for(int i = 0; i < len; ++i) dp[i][0].clear(), dp[i][1].clear();
for(int i = 1; i < a[len - 1]; ++i) dp[len - 1][1][t(i)]++;
dp[len - 1][0][t(a[len - 1])]++;
for(int i = len - 2; i >= 0; --i){
for(int j = 1; j <= 9; ++j) dp[i][1][t(j)]++;
for(auto [u, v]: dp[i + 1][0])
for(int o = 0; o <= 9; ++o){
if(o > a[i]) continue;
int nxt = 0; if(o < a[i]) nxt = 1; long long x = t(u * o);
dp[i][nxt][x] = add(dp[i][nxt][x], v);
}
for(auto [u, v]: dp[i + 1][1])
for(int o = 0; o <= 9; ++o){
long long x = t(u * o);
dp[i][1][x] = add(dp[i][1][x], v);
}
}
int res = 0;
for(int i = 0; i <= 1; ++i) res = add(res, dp[0][i][0]);
return res;
}
int main(){
scanf("%lld%s%s", &k, l, r);
lenl = strlen(l), lenr = strlen(r);
std::reverse(l, l + lenl);
std::reverse(r, r + lenr);
long long kk = k;
for(int i = 2; i <= 9; ++i){
if(kk % i == 0){
while(kk % i == 0){
kk /= i;
}
}
}
if(kk != 1ll){
printf("0\n");
return 0;
}
--l[0]; int now = 0;
while(now < lenl && l[now] < '0') l[now] += 10, --l[++now];
now = lenl - 1;
while(now > 0 && l[now] == '0') --now;
l[now + 1] = '\0';
printf("%d\n", minus(cal(r), cal(l)));
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3744kb
input:
5 1 20
output:
4
result:
ok single line: '4'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3740kb
input:
5 50 100
output:
19
result:
ok single line: '19'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
15 11 19
output:
0
result:
ok single line: '0'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3684kb
input:
1 100 100000
output:
99901
result:
ok single line: '99901'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3728kb
input:
1 1 1
output:
1
result:
ok single line: '1'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3692kb
input:
10 800 43021
output:
23570
result:
ok single line: '23570'
Test #7:
score: 0
Accepted
time: 1ms
memory: 3680kb
input:
1125899906842624 1 100000000000000000000
output:
555058180
result:
ok single line: '555058180'
Test #8:
score: 0
Accepted
time: 1ms
memory: 3744kb
input:
187500000 5941554024261918062 17356601866920567143
output:
679191360
result:
ok single line: '679191360'
Test #9:
score: 0
Accepted
time: 1ms
memory: 3748kb
input:
1555848 157165614890794026 49792374427566422833
output:
588832126
result:
ok single line: '588832126'
Test #10:
score: 0
Accepted
time: 11ms
memory: 4820kb
input:
53814924637488000 8378901287491856069 46225409092942057365
output:
964965504
result:
ok single line: '964965504'
Test #11:
score: 0
Accepted
time: 24ms
memory: 5360kb
input:
11814720750000000 8152927138245188051 35351923956338524619
output:
183963359
result:
ok single line: '183963359'
Test #12:
score: 0
Accepted
time: 8ms
memory: 4304kb
input:
6453888000000 4334845344448208535 35982793193772682339
output:
570114022
result:
ok single line: '570114022'
Test #13:
score: 0
Accepted
time: 11ms
memory: 4548kb
input:
90071357282285400 7893548167754114409 27099084703937108974
output:
869822186
result:
ok single line: '869822186'
Test #14:
score: 0
Accepted
time: 8ms
memory: 4644kb
input:
45571065750000 177160749596350425 98884377930460959454
output:
607698665
result:
ok single line: '607698665'
Test #15:
score: 0
Accepted
time: 7ms
memory: 4132kb
input:
1128443962982400 6338876482181492537 40931938533793596007
output:
881168270
result:
ok single line: '881168270'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3684kb
input:
1 1 1
output:
1
result:
ok single line: '1'
Test #17:
score: 0
Accepted
time: 7ms
memory: 4084kb
input:
1412793457031250 2410155470167050095 99063185266833009818
output:
399813226
result:
ok single line: '399813226'
Test #18:
score: 0
Accepted
time: 14ms
memory: 4748kb
input:
67722117120000 8909573534349989418 73129289758235281558
output:
898227227
result:
ok single line: '898227227'
Test #19:
score: 0
Accepted
time: 6ms
memory: 4116kb
input:
472055808000 6809917603531307093 27494416416722163137
output:
379198478
result:
ok single line: '379198478'
Test #20:
score: 0
Accepted
time: 6ms
memory: 4132kb
input:
19353600000 8687492345912514346 24058039408337150852
output:
250715555
result:
ok single line: '250715555'
Test #21:
score: 0
Accepted
time: 5ms
memory: 3980kb
input:
47855420020225440 6150828649270625443 84863934988301168136
output:
665186711
result:
ok single line: '665186711'
Test #22:
score: 0
Accepted
time: 4ms
memory: 3916kb
input:
1382400000 9545797804645162278 70441077437727026904
output:
278230087
result:
ok single line: '278230087'
Test #23:
score: 0
Accepted
time: 2ms
memory: 3788kb
input:
816293376 2952089614708276156 10939708785225040670
output:
120954190
result:
ok single line: '120954190'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3768kb
input:
4185097875 1348426133484952253 56617823359794500344
output:
773995224
result:
ok single line: '773995224'
Test #25:
score: 0
Accepted
time: 5ms
memory: 4044kb
input:
5828945117184 7777082394971366991 63470232991138132969
output:
678496908
result:
ok single line: '678496908'
Test #26:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
16184770560 3869053219872876321 94590086601168840932
output:
168181821
result:
ok single line: '168181821'
Test #27:
score: 0
Accepted
time: 0ms
memory: 3680kb
input:
2 1 12
output:
6
result:
ok single line: '6'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3776kb
input:
30146484375 290228705524339176 51853415145287716863
output:
229436627
result:
ok single line: '229436627'
Test #29:
score: 0
Accepted
time: 7ms
memory: 4296kb
input:
2072513819443200 3726664558969607832 42501102605103061370
output:
947952932
result:
ok single line: '947952932'
Test #30:
score: 0
Accepted
time: 19ms
memory: 5168kb
input:
9920232000000000 4602219263214498291 80783137037024823899
output:
846877519
result:
ok single line: '846877519'
Test #31:
score: 0
Accepted
time: 6ms
memory: 4300kb
input:
97200000000000000 9310820760839688870 35322929083473756214
output:
936587432
result:
ok single line: '936587432'
Test #32:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
45209390625 5752361069878044328 64635325028527078951
output:
578047592
result:
ok single line: '578047592'
Test #33:
score: 0
Accepted
time: 18ms
memory: 5200kb
input:
54442233216000 2452030574225118723 90982734056131320662
output:
417646585
result:
ok single line: '417646585'
Test #34:
score: 0
Accepted
time: 0ms
memory: 4132kb
input:
1530550080000 7431421026778839808 84825282227911272129
output:
600103842
result:
ok single line: '600103842'
Test #35:
score: 0
Accepted
time: 7ms
memory: 4604kb
input:
13765147361280 4924477486471254843 10002324705150566233
output:
951883713
result:
ok single line: '951883713'
Test #36:
score: 0
Accepted
time: 7ms
memory: 4476kb
input:
59825698242187500 6303744363677706767 91410210495502213963
output:
774734375
result:
ok single line: '774734375'
Test #37:
score: 0
Accepted
time: 7ms
memory: 4652kb
input:
110658879959040 2133591391458550040 48494371567095341228
output:
103505650
result:
ok single line: '103505650'
Test #38:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
1 3 100
output:
98
result:
ok single line: '98'
Test #39:
score: 0
Accepted
time: 12ms
memory: 4620kb
input:
3160365465600 8968721517098518892 78444481529635953131
output:
364620926
result:
ok single line: '364620926'
Test #40:
score: -100
Wrong Answer
time: 1ms
memory: 3728kb
input:
54838448056132899 4242999884713464056 92948071680698209741
output:
0
result:
wrong answer 1st lines differ - expected: '922087167', found: '0'