Submission #797399

#	Time	Username	Problem	Language	Result	Execution time	Memory
797399		hariaakas646	Art Exhibition (JOI18_art)	C++17	100 / 100	216 ms	28616 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;

int main()
{
    int n;
    scd(n);
    vector<pair<lli, int>> vec(n);

    frange(i, n)
    {
        sclld(vec[i].f);
        sclld(vec[i].s);
    }

    sort(all(vec));
    vll pref(n);
    pref[0] = vec[0].s;

    forr(i, 1, n)
    {
        pref[i] = pref[i - 1] + vec[i].s;
    }
    vll sufm(n);
    sufm[n - 1] = pref[n - 1] - vec[n - 1].f;
    for (int i = n - 2; i >= 0; i--)
    {
        sufm[i] = max(sufm[i + 1], pref[i] - vec[i].f);
    }
    lli ma = max(0LL, sufm[0] + vec[0].f);
    forr(i, 1, n)
    {
        ma = max(ma, sufm[i] - pref[i - 1] + vec[i].f);
    }
    printf("%lld", ma);
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:6:24: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
    6 | #define sclld(t) scanf("%lld", &t)
      |                        ^~~~~~
art.cpp:36:9: note: in expansion of macro 'sclld'
   36 |         sclld(vec[i].s);
      |         ^~~~~
art.cpp:6:28: note: format string is defined here
    6 | #define sclld(t) scanf("%lld", &t)
      |                         ~~~^
      |                            |
      |                            long long int*
      |                         %d
art.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
art.cpp:30:5: note: in expansion of macro 'scd'
   30 |     scd(n);
      |     ^~~
art.cpp:6:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define sclld(t) scanf("%lld", &t)
      |                  ~~~~~^~~~~~~~~~~~
art.cpp:35:9: note: in expansion of macro 'sclld'
   35 |         sclld(vec[i].f);
      |         ^~~~~
art.cpp:6:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define sclld(t) scanf("%lld", &t)
      |                  ~~~~~^~~~~~~~~~~~
art.cpp:36:9: note: in expansion of macro 'sclld'
   36 |         sclld(vec[i].s);
      |         ^~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50