Submission #1291055
Source Code Expand
#include <bits/stdc++.h> #define INF 0x3f3f3f3f #define maxn 500100 #define lson root << 1 #define rson root << 1 | 1 #define lent (t[root].r - t[root].l + 1) #define lenl (t[lson].r - t[lson].l + 1) #define lenr (t[rson].r - t[rson].l + 1) #define N 1111 #define eps 1e-6 #define pi acos(-1.0) #define e exp(1.0) using namespace std; const int mod = 1e9 + 7; typedef long long ll; typedef unsigned long long ull; char s[maxn]; int a[maxn]; int len; bool check(int x) { int sum = x * 9, cnt = 0; for (int i = 0; i < len; i++) { sum += a[i]; cnt += sum % 10; sum /= 10; } while (sum > 0) { cnt += sum % 10; sum /= 10; } return cnt <= x * 9; } int main() { #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); long _begin_time = clock(); #endif while (~scanf("%s", s)) { memset(a, 0, sizeof(a)); len = strlen(s); reverse(s, s + len); for (int i = 0; i < len; i++) a[i] = (s[i] - '0') * 9; for (int i = 0; i < len; i++) { a[i + 1] += a[i] / 10; a[i] %= 10; } if (a[len]) len++; int l = 0, r = len * 2, ans = -1; while (l < r) { int mid = l + r >> 1; if (check(mid)) { ans = mid; r = mid; } else l = mid + 1; } printf("%d\n", ans); } #ifndef ONLINE_JUDGE long _end_time = clock(); printf("time = %ld ms.", _end_time - _begin_time); #endif return 0; }
Submission Info
Submission Time | |
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Task | E - Increasing Numbers |
User | vjudge1 |
Language | C++14 (Clang 3.8.0) |
Score | 0 |
Code Size | 1646 Byte |
Status | CE |
Compile Error
./Main.cpp:1:10: fatal error: 'bits/stdc++.h' file not found #include <bits/stdc++.h> ^ 1 error generated.