Submission #87294

#	Time	Username	Problem	Language	Result	Execution time	Memory
87294		minhtri5302	Preokret (COCI18_preokret)	C++14	50 / 50	3 ms	632 KiB

preokret

//Trương Minh Trí
#include <bits/stdc++.h>
#define FOR(i, x, y) for(int i = x; i <= y; ++i)
#define FORN(i, x, y) for(int i = x; i >= y; --i)
#define Task "Preokret"
#define maxn 3000
#define maxm
#define emlacongchuacuaanh 1302
#define pii pair <int, int>
#define pll pair <long long, long long>
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define reset(x) memset(x, 0, sizeof(x));
using namespace std;
int n, m;
int res1, res2;
pii a[maxn], b[maxn];
int scoreA, scoreB;
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
    //freopen(Task".inp", "r", stdin);
    //freopen(Task".out", "w", stdout);
    cin >> n;
    FOR(i, 1, n) cin >> a[i].F, a[i].S = 1;
    cin >> m;
    FOR(i, 1, m) cin >> b[i].F, b[i].S = 2;
    FOR(i, 1, n) if(a[i].F <= 1440) res1++;
    FOR(i, 1, m) if(b[i].F <= 1440) res1++;
    cout << res1 << "\n";
    FOR(i, n+1, m+n) a[i] = b[i-n];
    sort(a+1, a+n+m+1);
    int A = 0, B = 0;
    FOR(i, 1, m+n)
    {
        if(a[i].S == 1) scoreA++;
        else scoreB++;
        if(scoreA > scoreB && A < B)
            res2++;
        else if(scoreB > scoreA && A > B)
            res2++;
        if(scoreA > scoreB) A = 1, B = 0;
        else if(scoreA < scoreB) A = 0, B = 1;
    }
    cout << res2;
}


























template <typename T> inline void read(T &x){char c;bool nega=0;while((!isdigit(c=getchar()))&&(c!='-'));if(c=='-'){nega=1;c=getchar();}x=c-48;while(isdigit(c=getchar())) x=x*10+c-48;if(nega) x=-x;}
template <typename T> inline void writep(T x){if(x>9) writep(x/10);putchar(x%10+48);}
template <typename T> inline void write(T x){if(x<0){putchar('-');x=-x;}writep(x);putchar(' ');}
template <typename T> inline void writeln(T x){write(x);putchar('\n');}

• Subtask 1: 50 / 50