結果
| 問題 | No.555 世界史のレポート |
| ユーザー |
|
| 提出日時 | 2017-08-12 00:00:20 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 8,567 bytes |
| コンパイル時間 | 4,008 ms |
| コンパイル使用メモリ | 245,056 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-10-12 22:19:34 |
| 合計ジャッジ時間 | 9,225 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge4 |
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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 | 2 ms
6,816 KB |
| testcase_01 | AC | 1 ms
6,816 KB |
| testcase_02 | WA | - |
| testcase_03 | AC | 3 ms
6,816 KB |
| testcase_04 | AC | 3 ms
6,820 KB |
| testcase_05 | AC | 4 ms
6,816 KB |
| testcase_06 | WA | - |
| testcase_07 | AC | 5 ms
6,820 KB |
| testcase_08 | AC | 5 ms
6,816 KB |
| testcase_09 | AC | 5 ms
6,816 KB |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | AC | 309 ms
6,820 KB |
| testcase_14 | WA | - |
| testcase_15 | AC | 455 ms
6,816 KB |
| testcase_16 | WA | - |
| testcase_17 | WA | - |
| testcase_18 | WA | - |
| testcase_19 | AC | 639 ms
6,816 KB |
コンパイルメッセージ
main.cpp: In member function '{anonymous}::MaiScanner& {anonymous}::MaiScanner::operator>>(std::string&)':
main.cpp:71:9: warning: no return statement in function returning non-void [-Wreturn-type]
71 | }
| ^
ソースコード
#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#include "bits/stdc++.h" // define macro "/D__MAI"
using namespace std;
typedef long long int ll;
#define xprintf(fmt,...) fprintf(stderr,fmt,__VA_ARGS__)
#define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debugm(m) {printf("L%d %s \n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;}}
#define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;}
#define debugaa(m,w,h) {printf("L%d %s >\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;}}
#define debugaar(m,w,h) {printf("L%d %s >\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}}
#define ALL(v) (v).begin(),(v).end()
#define repeat(cnt,l) for(auto cnt=0;cnt<(l);++cnt)
#define iterate(cnt,b,e) for(auto cnt=(b);cnt!=(e);++cnt)
#define MD 1000000007ll
#define PI 3.1415926535897932384626433832795
template<typename T1, typename T2>
ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; }
mt19937 mt(8901016);
inline int rand_int(int l, int h) {
return uniform_int_distribution<>(l, h)(mt);
}
#ifdef __MAI
#define getchar_unlocked getchar
#define putchar_unlocked putchar
#endif
#ifdef __VSCC
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#endif
#ifdef __MAI
#define getchar_unlocked getchar
#define putchar_unlocked putchar
#endif
#ifdef __VSCC
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#endif
namespace {
#define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E)
class MaiScanner {
public:
template<typename T> void input_integer(T& var) {
var = 0;
T sign = 1;
int cc = getchar_unlocked();
for (; cc<'0' || '9'<cc; cc = getchar_unlocked())
if (cc == '-') sign = -1;
for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked())
var = (var << 3) + (var << 1) + cc - '0';
var = var*sign;
}
inline int c() { return getchar_unlocked(); }
inline MaiScanner& operator>>(int& var) {
input_integer<int>(var);
return *this;
}
inline MaiScanner& operator>>(long long& var) {
input_integer<long long>(var);
return *this;
}
inline MaiScanner& operator>>(string& var) {
int cc = getchar_unlocked();
for (; !isvisiblechar(cc); cc = getchar_unlocked());
for (; isvisiblechar(cc); cc = getchar_unlocked())
var.push_back(cc);
}
template<typename IT> void in(IT begin, IT end) {
for (auto it = begin; it != end; ++it) *this >> *it;
}
};
}
MaiScanner scanner;
template<typename T>
//typedef int T;
class segtree {
int size;
vector<T> valdata;
vector<int> addtree;
vector<int> mintree;
vector<int> maxtree;
int _geti(const vector<int>& v, int idx) const {
if (size - 1 <= idx) return (idx - size + 1);
// if (idx < 0) return idx;
return v[idx];
}
public:
segtree(int n) {
size = 8;
while (size < n) size <<= 1;
mintree.resize(size);
maxtree.resize(size);
valdata.resize(size);
addtree.resize(size);
}
// tree初期化
void flat() {
for (int i = size - 2; 0 <= i; --i) {
int c = 2 * i + 1;
if (size - 1 <= c) {
mintree[i] = c - size + 1;
maxtree[i] = c - size + 1;
}
else {
mintree[i] = mintree[c];
maxtree[i] = maxtree[c];
}
}
}
// TODO:verify
// addtreeを0にして，valdataに加算する．
void apply(T sum = 0, int ptr = 0) {
if (size - 1 <= ptr) {
valdata[ptr - size + 1] += sum;
}
else {
sum += addtree[ptr];
apply(sum, ptr * 2 + 1);
apply(sum, ptr * 2 + 2);
addtree[ptr] = 0;
}
}
void fill(T val) {
std::fill(valdata.begin(), valdata.end(), val);
std::fill(addtree.begin(), addtree.end(), 0);
flat();
}
// T operator[](int index) const {
//
// }
T getval(int index) const {
T sum = valdata[index];
index += size - 1;
while (0 < index) {
index = (index - 1) / 2; // 親へ移動
sum += addtree[index];
}
return sum;
}
void setval(int index, const T e) {
valdata[index] = e;
for (int i = index + size - 1; 0 < i;) {
i = (i - 1) / 2; // 親へ移動
valdata[index] -= addtree[i];
}
index += size - 1;
while (0 < index) {
index = (index - 1) / 2; // 親へ移動
int c1 = index * 2 + 1;
int c2 = index * 2 + 2;
int i1, i2;
i1 = _geti(mintree, c1);
i2 = _geti(mintree, c2);
mintree[index] = getval(i1) < getval(i2) ? i1 : i2;
i1 = _geti(maxtree, c1);
i2 = _geti(maxtree, c2);
maxtree[index] = getval(i1) > getval(i2) ? i1 : i2;
}
}
void addvalrange(int begin, int end, const T e, int ptr = 0, int rangebegin = 0, int rangeend = 0) {
if (rangeend <= rangebegin) { rangeend = size; }
if (rangeend <= begin || end <= rangebegin) return;
if (begin <= rangebegin && rangeend <= end) {
if (size - 1 <= ptr)
valdata[ptr - size + 1] += e;
else
addtree[ptr] += e;
return;
}
int rangemid = (rangebegin + rangeend) / 2;
addvalrange(begin, end, e, ptr * 2 + 1, rangebegin, rangemid);
addvalrange(begin, end, e, ptr * 2 + 2, rangemid, rangeend);
int i1, i2;
i1 = _geti(mintree, ptr * 2 + 1);
i2 = _geti(mintree, ptr * 2 + 2);
mintree[ptr] = getval(i1) < getval(i2) ? i1 : i2;
i1 = _geti(maxtree, ptr * 2 + 1);
i2 = _geti(maxtree, ptr * 2 + 2);
maxtree[ptr] = getval(i1) > getval(i2) ? i1 : i2;
}
int getminrangeIdx(int begin, int end, int ptr = 0, int rangebegin = 0, int rangeend = 0) const {
if (rangeend <= rangebegin) { rangeend = size; }
if (rangeend <= begin || end <= rangebegin) return begin; // note:範囲外なら適当な範囲内のindexを返す
if (begin <= rangebegin && rangeend <= end) return _geti(mintree, ptr);
int rangemid = (rangebegin + rangeend) / 2;
int l = getminrangeIdx(begin, end, ptr * 2 + 1, rangebegin, rangemid);
int r = getminrangeIdx(begin, end, ptr * 2 + 2, rangemid, rangeend);
if (getval(l) <= getval(r))
return l;
else
return r;
}
T getminrange(int begin, int end) {
return getval(getminrangeIdx(begin, end));
}
int getmaxrangeIdx(int begin, int end, int ptr = 0, int rangebegin = 0, int rangeend = 0) const {
if (rangeend <= rangebegin) { rangeend = size; }
if (rangeend <= begin || end <= rangebegin) return begin; // note:範囲外なら適当な範囲内のindexを返す
if (begin <= rangebegin && rangeend <= end) return _geti(maxtree, ptr);
int rangemid = (rangebegin + rangeend) / 2;
int l = getmaxrangeIdx(begin, end, ptr * 2 + 1, rangebegin, rangemid);
int r = getmaxrangeIdx(begin, end, ptr * 2 + 2, rangemid, rangeend);
if (getval(l) >= getval(r))
return l;
else
return r;
}
T getmaxrange(int begin, int end) {
return getval(getmaxrangeIdx(begin, end));
}
};
int m, n, kei;
ll cc, vv;
//ll dp[200010];
int main() {
scanner >> n >> cc >> vv;
//fill(dp, dp + 200010, (ll)5e15);
segtree<ll> dp(2 * n + 10);
dp.fill(5e15);
dp.setval(0, 0);
dp.setval(1, 0);
dp.setval(2, cc + vv);
iterate(i, 2, n) {
ll t = 1;
ll nice = dp.getminrange(i, n + 2);
for (int j = i * 2; j <= n; j += i) {
ll now = dp.getval(j);
ll to = nice + cc + vv*t;
if (to < now) {
dp.setval(j, to);
}
++t;
}
//debuga(dp,n+1)
}
ll best = 5e15;
best = dp.getminrange(n, 2 * n + 5);
cout << best << endl;
return 0;
}