結果
問題 | No.281 門松と魔法(1) |
ユーザー | __math |
提出日時 | 2015-09-18 23:50:23 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,117 bytes |
コンパイル時間 | 865 ms |
コンパイル使用メモリ | 90,676 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-06 19:30:03 |
合計ジャッジ時間 | 2,373 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 1 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | WA | - |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,824 KB |
testcase_06 | AC | 1 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 1 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,820 KB |
testcase_15 | AC | 2 ms
6,816 KB |
testcase_16 | AC | 1 ms
6,820 KB |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,816 KB |
testcase_19 | AC | 1 ms
6,816 KB |
testcase_20 | AC | 2 ms
6,820 KB |
testcase_21 | AC | 2 ms
6,816 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 1 ms
6,816 KB |
testcase_24 | AC | 2 ms
6,816 KB |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
6,820 KB |
testcase_27 | AC | 1 ms
6,816 KB |
testcase_28 | AC | 2 ms
6,816 KB |
testcase_29 | AC | 2 ms
6,820 KB |
testcase_30 | WA | - |
testcase_31 | AC | 2 ms
6,820 KB |
testcase_32 | AC | 2 ms
6,816 KB |
testcase_33 | WA | - |
testcase_34 | AC | 2 ms
6,816 KB |
testcase_35 | WA | - |
testcase_36 | AC | 2 ms
6,816 KB |
testcase_37 | WA | - |
testcase_38 | AC | 1 ms
6,820 KB |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | AC | 2 ms
6,820 KB |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | AC | 2 ms
6,820 KB |
testcase_45 | AC | 2 ms
6,816 KB |
testcase_46 | AC | 2 ms
6,816 KB |
testcase_47 | AC | 2 ms
6,820 KB |
testcase_48 | AC | 2 ms
6,816 KB |
testcase_49 | AC | 2 ms
6,820 KB |
testcase_50 | AC | 1 ms
6,816 KB |
testcase_51 | WA | - |
testcase_52 | AC | 2 ms
6,816 KB |
testcase_53 | AC | 2 ms
6,820 KB |
testcase_54 | WA | - |
testcase_55 | AC | 2 ms
6,816 KB |
testcase_56 | WA | - |
ソースコード
#define _USE_MATH_DEFINES #define _CRT_SECURE_NO_DEPRECATE #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <limits> #include <ctime> #include <cassert> #include <map> #include <set> #include <iostream> #include <memory> #include <string> #include <vector> #include <algorithm> #include <functional> #include <sstream> #include <stack> #include <queue> #include <numeric> #include <iterator> #include <bitset> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> Pii; typedef pair<ll, ll> Pll; #define FOR(i,n) for(int i = 0; i < (n); i++) #define sz(c) ((int)(c).size()) #define ten(x) ((int)1e##x) template<typename ...> static inline int getchar_unlocked(void) { return getchar(); } template<typename ...> static inline void putchar_unlocked(int c) { putchar(c); } #define mygc(c) (c)=getchar_unlocked() #define mypc(c) putchar_unlocked(c) void reader(int& x) { int k, m = 0; x = 0; for (;;) { mygc(k); if (k == '-') { m = 1; break; }if ('0' <= k&&k <= '9') { x = k - '0'; break; } }for (;;) { mygc(k); if (k<'0' || k>'9')break; x = x * 10 + k - '0'; }if (m) x = -x; } void reader(ll& x) { int k, m = 0; x = 0; for (;;) { mygc(k); if (k == '-') { m = 1; break; }if ('0' <= k&&k <= '9') { x = k - '0'; break; } }for (;;) { mygc(k); if (k<'0' || k>'9')break; x = x * 10 + k - '0'; }if (m) x = -x; } int reader(char c[]) { int i, s = 0; for (;;) { mygc(i); if (i != ' '&&i != '\n'&&i != '\r'&&i != '\t'&&i != EOF) break; }c[s++] = i; for (;;) { mygc(i); if (i == ' ' || i == '\n' || i == '\r' || i == '\t' || i == EOF) break; c[s++] = i; }c[s] = '\0'; return s; } template <class T, class S> void reader(T& x, S& y) { reader(x); reader(y); } template <class T, class S, class U> void reader(T& x, S& y, U& z) { reader(x); reader(y); reader(z); } template <class T, class S, class U, class V> void reader(T& x, S& y, U& z, V & w) { reader(x); reader(y); reader(z); reader(w); } void writer(int x, char c) { int s = 0, m = 0; char f[10]; if (x<0)m = 1, x = -x; while (x)f[s++] = x % 10, x /= 10; if (!s)f[s++] = 0; if (m)mypc('-'); while (s--)mypc(f[s] + '0'); mypc(c); } void writer(ll x, char c) { int s = 0, m = 0; char f[20]; if (x<0)m = 1, x = -x; while (x)f[s++] = x % 10, x /= 10; if (!s)f[s++] = 0; if (m)mypc('-'); while (s--)mypc(f[s] + '0'); mypc(c); } void writer(const char c[]) { int i; for (i = 0; c[i] != '\0'; i++)mypc(c[i]); } void writer(const char x[], char c) { int i; for (i = 0; x[i] != '\0'; i++)mypc(x[i]); mypc(c); } template<class T> void writerLn(T x) { writer(x, '\n'); } template<class T, class S> void writerLn(T x, S y) { writer(x, ' '); writer(y, '\n'); } template<class T, class S, class U> void writerLn(T x, S y, U z) { writer(x, ' '); writer(y, ' '); writer(z, '\n'); } template<class T> void writerArr(T x[], int n) { if (!n) { mypc('\n'); return; }FOR(i, n - 1)writer(x[i], ' '); writer(x[n - 1], '\n'); } ll mod_pow(ll a, ll n, ll mod) { ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } template<class T> T extgcd(T a, T b, T& x, T& y) { for (T u = y = 1, v = x = 0; a;) { T q = b / a; swap(x -= q * u, u); swap(y -= q * v, v); swap(b -= q * a, a); } return b; } template<class T> T mod_inv(T a, T m) { T x, y; extgcd(a, m, x, y); return (m + x % m) % m; } template<class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } int solve(int d, int a, int b, int c) { if (a > c) swap(a, c); int pr = 0; if (a == c) a = max(0, a - d), pr++; if (b < a || c < b) { return pr; } if (d == 0) return -1; if (c == 0 && b == 0) return -1; int ans1 = (b - a) / d + 1; if (a == 0) ans1 = 2 * ten(9); int ans2 = (c - b) / d + 1; c = max(c, c - d * ans2); if (a == b) ans2++, a -= d; c = max(0, c); a = max(0, a); if (a == c) ans2++,a -= d; a = max(0, a); if (a == c) ans2 = 2 * ten(9); if (a == b && b == 0) ans2 = 2 * ten(9); int ans = min(ans1, ans2) + pr; if (ans >= 2 * ten(9)) ans = -1; return ans; } int main() { int n; int a, b, c; reader(n, a, b, c); int ans = solve(n, a, b, c); cout << ans << endl; }