結果
問題 | No.527 ナップサック容量問題 |
ユーザー |
|
提出日時 | 2017-06-09 23:26:21 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 342 ms / 2,000 ms |
コード長 | 5,494 bytes |
コンパイル時間 | 3,656 ms |
コンパイル使用メモリ | 217,544 KB |
最終ジャッジ日時 | 2025-01-05 00:41:25 |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 37 |
コンパイルメッセージ
main.cpp: In function ‘void {anonymous}::toc()’: main.cpp:27:45: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘std::chrono::duration<long int, std::ratio<1, 1000> >::rep’ {aka ‘long int’} [-Wformat=] 27 | void toc() { fprintf(stderr, "TIME : %lldms\n", MILLISEC(TIME - ttt)); } | ~~~^ | | | long long int | %ld main.cpp: In member function ‘{anonymous}::MaiScanner& {anonymous}::MaiScanner::operator>>(std::string&)’: main.cpp:69:9: warning: no return statement in function returning non-void [-Wreturn-type] 69 | } | ^ main.cpp: At global scope: main.cpp:80:44: warning: use of ‘auto’ in parameter declaration only available with ‘-std=c++20’ or ‘-fconcepts’ 80 | INTEGER b_search_low(INTEGER l, INTEGER h, auto compare) { | ^~~~ main.cpp:101:45: warning: use of ‘auto’ in parameter declaration only available with ‘-std=c++20’ or ‘-fconcepts’ 101 | INTEGER b_search_high(INTEGER l, INTEGER h, auto compare) { | ^~~~
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 debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;#define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;}#define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;#define debugaa(m,w,h) printf("L%d %s is..\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 is..\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(l) for(auto cnt=0;cnt<(l);++cnt)#define iterate(b,e) for(auto cnt=(b);cnt!=(e);++cnt)#define MD 1000000007ll#define PI 3.1415926535897932384626433832795#define llinf (1ll<<40)template<typename T1, typename T2>ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; }#define TIME chrono::system_clock::now()#define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count())namespace {std::chrono::system_clock::time_point ttt;void tic() { ttt = TIME; }void toc() { fprintf(stderr, "TIME : %lldms\n", MILLISEC(TIME - ttt)); }std::chrono::system_clock::time_point tle = TIME;}#ifdef __MAI#define getchar_unlocked getchar#define putchar_unlocked putchar#endif#ifdef __VSCC#define getchar_unlocked _getchar_nolock#define putchar_unlocked _putchar_nolock#endifnamespace {#define isvisiablechar(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 (; !isvisiablechar(cc); cc = getchar_unlocked());for (; isvisiablechar(cc); cc = getchar_unlocked())var.push_back(cc);}};}MaiScanner scanner;// ざっくり書くと、lower_bowndなb_search// l以上h以下のINTEGERのうち、compare(x)==0を満たすようなxを求める。// xが複数存在するならば最小のものを求める。// compareは、xが小さすぎるならば@return<0、xが大きすぎるならば@return>0を返すような関数である。template<typename INTEGER>INTEGER b_search_low(INTEGER l, INTEGER h, auto compare) {INTEGER noresult = l - 1;INTEGER c;int cp;while (l < h) {c = (l + h) / 2;cp = compare(c);if (0 <= cp) {h = c;}else {l = c + 1;}}return compare(l) == 0 ? l : noresult;}// ざっくり書くと、upper_bowndなb_search// l以上h以下のINTEGERのうち、compare(x)==0を満たすようなxを求める。// xが複数存在するならば最大のものを求める。// compareは、xが小さすぎるならば@return<0、xが大きすぎるならば@return>0を返すような関数である。template<typename INTEGER>INTEGER b_search_high(INTEGER l, INTEGER h, auto compare) {INTEGER noresult = l - 1;INTEGER c;int cp;while (l < h) {c = (l + h + 1) / 2;cp = compare(c);if (0 < cp) {h = c - 1;}else {l = c;}}return compare(l) == 0 ? l : noresult;}int n, m, va;int ww[111], vv[111];int capmin, capmax;// void dfs(int idx = 0, int val = 0, int weight = 0) {// if (idx == n) return;// if (val + vv[idx] == va) {// low = max(low, weight);// high = min(high, weight);// return;// }else if (val + vv[idx] < va) {// dfs(idx + 1, val + vv[idx], weight + ww[idx]);// }// dfs(idx + 1, val, weight);// }int dp[102][100010];int solve(int cap) {fill(&dp[0][0], &dp[101][cap], 0);for (int i = 1; i <= n; ++i) {for (int w = 0; w <= cap; ++w) {if (ww[i - 1] <= w)dp[i][w] = max(dp[i - 1][w], dp[i - 1][w - ww[i - 1]] + vv[i - 1]);elsedp[i][w] = dp[i - 1][w];}}return dp[n][cap];}void nibutan() {int l = b_search_low<int>(0, 100001, [](int cap) {return solve(cap) - va; });int h = b_search_high<int>(0, 100001, [](int cap) {return solve(cap) - va; });if (l == 100001)cout << "inf" << endl;elsecout << max(1,l) << endl;if (h == 100001)cout << "inf" << endl;elsecout << h << endl;}int main() {scanner >> n;repeat(n) {scanner >> vv[cnt] >> ww[cnt];}scanner >> va;nibutan();return 0;}