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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#741215#7953. Product Deliveryyuto1115#WA 0ms4000kbC++202.0kb2024-11-13 13:49:362024-11-13 13:49:36

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 13:49:36]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:4000kb
  • [2024-11-13 13:49:36]
  • 提交

answer

#include <cstdio>
#include <vector>
#include <algorithm>
#include <map>

const int md = 1000000007;

inline int add(int a, int b) {
	return a + b < md ? a + b : a + b - md;
}
inline int sub(int a, int b) {
	return a - b < 0 ? a - b + md : a - b;
}
inline int mul(int a, int b) {
	return (long long)a * b % md;
}

const int N = 23;
long long k;
int num = 0;
char l[N], r[N];
std::map<long long, int> repr;
std::vector<std::vector<int> > dp;
std::vector<long long> back;

void build(long long k, int i = 2) {
	if (i == 8) return;
	printf("build %lld %d\n", k, i);
	build(k, i + 1);
	while (!(k % i)) {
		k /= i;
		repr[k] = num++;
		back.push_back(k);
		build(k, i + 1);
	}
}

long long f(char *s, bool isr) {
	int len, ans = 0;
	for (len = 1; s[len]; ++len) {
		ans = add(ans, dp[len][0]);
	}
	long long kk = k;
	printf("running %s\n", s);
	for (int i = 0; i < len; ++i) {
		int dig = s[i] - '0';
		for (int j = 0 + (bool)i; j < dig; ++j) {
			long long g = std::__gcd((long long)j, kk);
			printf("j is %d\n", j);
			printf("g is %lld\n", g);
			printf("adding %d %d\n", len - i - 1, repr[kk / g]);
			ans = add(ans, dp[len - i - 1][g == 0 ? repr[1] : repr[kk / g]]);
			printf("added\n");
		}
		if (!dig) kk = 1;
		else {
			long long g = std::__gcd((long long)dig, kk);
			kk /= dig;
		}
	}
	printf("HERE\n");
	if (kk == 1 && isr) ans = add(ans, 1);
	printf("returning %d\n", ans);
	return ans;
}

int main() {
	scanf("%lld%s%s", &k, l, r);
	repr[k] = 0;
	back.push_back(k);
	++num;
	build(k);
	printf("back %d\n", (int)back.size());
	printf("back k %lld\n", back[k]);
	for (int len = 0; len < N; ++len) {
		dp.push_back(std::vector<int>(back.size()));
		if (len == 0) {
			dp[0][repr[1]] = 1;
			continue;
		}
		for (int i = 0; i < (int)back.size(); ++i) {
			long long val = back[i];
			for (int j = 0; j < 10; ++j) {
				long long g = std::__gcd((long long)j, val);
				dp[len][i] = add(dp[len][i], dp[len - 1][g == 0 ? repr[1] : repr[val / g]]);
			}
			printf("%d %d : %d\n", len, i, dp[len][i]);
		}
	}
	printf("%d\n", sub(f(r, 1), f(l, 0)));
	return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 4000kb

input:

4
13 15
5 8
6 14
3 7

output:

build 4 2
build 4 3
build 4 4
build 4 5
build 4 6
build 4 7
build 1 5
build 1 6
build 1 7
build 2 3
build 2 4
build 2 5
build 2 6
build 2 7
build 1 3
build 1 4
build 1 5
build 1 6
build 1 7
back 4
back k 0
1 0 : 3
1 1 : 10
1 2 : 5
1 3 : 10
2 0 : 55
2 1 : 100
2 2 : 75
2 3 : 100
3 0 : 725
3 1 : 1000
3...

result:

wrong answer 1st lines differ - expected: '2', found: 'build 4 2'