Submission #1119567

#	Time	Username	Problem	Language	Result	Execution time	Memory
1119567		modwwe	역사적 조사 (JOI14_historical)	C++17	40 / 100	4046 ms	9604 KiB

historic

#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#include<bits/stdc++.h>
//#define int  long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define mask(k) (1<<k)
#define mp make_pair
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar

inline int scan()
{
    char c = getchar_unlocked();
    int x = 0;
    while (c < '0' || c > '9')
    {
        c = getchar_unlocked();
    }
    while (c >= '0' && c <= '9')
    {
        x = (x << 1) + (x << 3) + c - '0';
        c = getchar_unlocked();
    }
    return x;
}
void phongbeo();
const int inf = 1e10;
const ll mod2 = 1e9 + 7;
const int  mod1 = 998244353;
const ll base=67;
int add(int x,int y)
{
    if(x+y>=mod2) x-=mod2;
    if(x+y<0)x+=mod2;
    return x+y;
}
struct icd
{
    long double a;
    int b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a, b, c;
};
struct id
{
    int a, b, c, d;
};
struct ie
{
    int a, b, c, d, e;

};
int n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
int  i, s10, s12,k1,k2,k3,s11,t,lim,w,l,r ;
int kk;
int el = 19;
main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo();
    // checktime
}
int S=315;
bool cmp(ic a,ic b)
{
    if(a.a / S != b.a / S) return (a.a < b.a);
    else if(!((a.a / S) & 1)) return (a.b < b.b);
    else return (a.b > b.b);
}
multiset<ll> s;
ll ans[100001];
int a[100001];
vector<int> v;
vector<ic> v2;
int c[100001];
void go(int x,int y)
{
    while(l<x)
    {
        s.erase(s.find(1ll*c[a[l]]*v[a[l]]));
        c[a[l]]--;
        s.insert(1ll*c[a[l]]*v[a[l]]);
        l++;
    }
    while(l>x)
    {
        l--;
        s.erase(s.find(1ll*c[a[l]]*v[a[l]]));
        c[a[l]]++;
        s.insert(1ll*c[a[l]]*v[a[l]]);
    }
    while(r<y)
    {
        r++;
        s.erase(s.find(1ll*c[a[r]]*v[a[r]]));
        c[a[r]]++;
        s.insert(1ll*c[a[r]]*v[a[r]]);
    }
    while(r>y)
    {
        s.erase(s.find(1ll*c[a[r]]*v[a[r]]));
        c[a[r]]--;
        s.insert(1ll*c[a[r]]*v[a[r]]);
        r--;
    }
}
void phongbeo()
{
    n=scan();
    m=scan();
    for(int i=1; i<=n; i++)
        a[i]=scan(),v.pb(a[i]);
    sort(v.begin(),v.end());
    v.erase(unique(v.begin(),v.end()),v.end());
    for(auto x:v)
        s.insert(0);
    for(int i=1; i<=n; i++)
        a[i]=lower_bound(v.begin(),v.end(),a[i])-v.begin();
    for(int i=1; i<=m; i++)
    {
        l=scan();
        r=scan();
        v2.pb({l,r,i});
    }
    sort(v2.begin(),v2.end(),cmp);
    l=1;
    r=0;
    for(auto x:v2)
    {
        go(x.a,x.b);
        ans[x.c]=*s.rbegin();
    }
    for(int i=1; i<=m; i++)
        cout<<ans[i],down
    }

Compilation message (stderr)

historic.cpp:38:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+10' to '2147483647' [-Woverflow]
   38 | const int inf = 1e10;
      |                 ^~~~
historic.cpp:75:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   75 | main()
      | ^~~~
historic.cpp: In function 'void phongbeo()':
historic.cpp:140:14: warning: unused variable 'x' [-Wunused-variable]
  140 |     for(auto x:v)
      |              ^
historic.cpp: In function 'int main()':
historic.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
historic.cpp:79:9: note: in expansion of macro 'fin'
   79 |         fin(task);
      |         ^~~
historic.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | #define fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
historic.cpp:80:9: note: in expansion of macro 'fou'
   80 |         fou(task);
      |         ^~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 0 / 60