Submission #242957

#	Time	Username	Problem	Language	Result	Execution time	Memory
242957		LittleFlowers__	New Home (APIO18_new_home)	C++17	5 / 100	102 ms	5088 KiB

new_home

#include <bits/stdc++.h>
using namespace std;
#define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;})
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0);
#define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a)
#define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a)
#define forv(a,b) for(auto&a:b)
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define mt make_tuple
#define all(a) a.begin(),a.end()
#define reset(f, x) memset(f, x, sizeof(f))
#define bit(x,i) ((x>>(i-1))&1)
#define on(x,i) (x|(1ll<<(i-1)))
#define off(x,i) (x&~(1<<(i-1)))
#define gg exit(0);

const int N=300010;

int n,k,q;
int x[N],t[N],a[N],b[N];
int l[N],y[N];

main(){
    #define task "1"
    if(fopen(task".inp","r")){
        freopen(task".inp","r",stdin);
        //freopen(task".out","w",stdout);
    }

    n=in,k=in,q=in;
    forinc(i,1,n){
        x[i]=in, t[i]=in, a[i]=in, b[i]=in;
    }

    if(n<=400 && q<=400){
        forinc(i,1,q){
            l[i]=in, y[i]=in;
            vector<int> val(k,INT_MAX);
            forinc(j,1,n){
                if(a[j]<=y[i] && y[i]<=b[j])
                    val[t[j]-1]=min(val[t[j]-1],abs(l[i]-x[j]));
            }
            int ret=*max_element(all(val));
            cout<<(ret<INT_MAX ? ret : -1)<<"\n";
        }
    }
}

Compilation message (stderr)

new_home.cpp:28:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
new_home.cpp: In function 'int main()':
new_home.cpp:31:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen(task".inp","r",stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 10
• Subtask 4: 0 / 23
• Subtask 5: 0 / 35
• Subtask 6: 0 / 20