# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
698479 | Do_you_copy | 3D Histogram (COCI20_histogram) | C++17 | 17 ms | 3468 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
//Then
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;
using ll = long long;
using ld = long double;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e5 + 1;
//const int Mod = 1e9 + 7;
const int inf = 0x3f3f3f3f;
int n;
pii a[maxN];
void Sub1(){
ll ans = 0;
for (int i = 1; i <= n; ++i){
int min1 = inf;
int min2 = inf;
for (int j = i; j <= n; ++j){
min1 = min(min1, a[j].fi);
min2 = min(min2, a[j].se);
ans = max(ans, 1LL * (j - i + 1) * min1 * min2);
}
}
cout << ans;
}
void Init(){
cin >> n;
for (int i = 1; i <= n; ++i) cin >> a[i].fi >> a[i].se;
if (n <= 2000) Sub1();
}
#define debug
#define taskname "histogram"
signed main(){
faster
if (fopen(taskname".inp", "r")){
freopen(taskname".inp", "r", stdin);
freopen(taskname".out", "w", stdout);
}
int tt = 1;
//cin >> tt;
while (tt--){
Init();
}
if (fopen("timeout.txt", "r")){
ofstream timeout("timeout.txt");
timeout << signed(double(clock()) / CLOCKS_PER_SEC * 1000);
timeout.close();
#ifndef debug
cerr << "Time elapsed: " << signed(double(clock()) / CLOCKS_PER_SEC * 1000) << "ms\n";
#endif // debug
}
}
Compilation message (stderr)
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