結果

問題 No.190 Dry Wet Moist
ユーザー mai
提出日時 2017-07-09 04:52:42
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 26 ms / 2,000 ms
コード長 3,945 bytes
コンパイル時間 11,621 ms
コンパイル使用メモリ 276,104 KB
最終ジャッジ日時 2025-01-05 01:20:41
ジャッジサーバーID
（参考情報） 		judge2 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 28
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In member function '{anonymous}::MaiScanner& {anonymous}::MaiScanner::operator>>(std::string&)':
main.cpp:62:9: warning: no return statement in function returning non-void [-Wreturn-type]
   62 |         }
      |         ^

ソースコード

diff #
プレゼンテーションモードにする

#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
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
namespace {
#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);
        }
        template<typename IT> void in(IT begin, IT end) {
            for (auto it = begin; it != end; ++it) *this >> *it;
        }
    };
}
MaiScanner scanner;
int n;
vector<int> aa;
int dry() {
    int low = 0;
    int high = n - 1;
    int count = 0;
    while (low < high) {
        int val = aa[low] + aa[high];
        if (val < 0) {
            count += 1;
            high -= 1;
            low += 1;
        }
        else if (val >= 0) {
            high -= 1;
        }
    }
    return count;
}
int wet() {
    int low = 0;
    int high = n - 1;
    int count = 0;
    while (low < high) {
        int val = aa[low] + aa[high];
        if (val > 0) {
            count += 1;
            low += 1;
            high -= 1;
        }
        else if (val <= 0) {
            low += 1;
        }
    }
    return count;
}
int moist() {
    vector<int> bucket(1+max(abs(aa[0]),abs(aa.back())));
    int count = 0;
    for (int a : aa) {
        if (a < 0) {
            bucket[-a] += 1;
        }
        else if (a > 0) {
            if (bucket[a]) {
                count += 1;
                bucket[a] -= 1;
            }
        }
        else {
            if (++bucket[0] % 2 == 0)
                count += 1;
        }
    }
    return count;
}
int main() {
    scanner >> n;
    n*=2;
    aa.resize(n);
    scanner.in(ALL(aa));
    sort(ALL(aa));
    printf("%d %d %d\n", dry(), wet(), moist());
    
    return 0;
}
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