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Submission #33576

# Submission time Handle Problem Language Result Execution time Memory
33576 2017-10-30T09:42:39 Z RockyB Divide and conquer (IZhO14_divide) C++14
0 / 100
 0 ms 7876 KB 
/// In The Name Of God

#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,sse3,sse4,popcnt,abm,mmx")

#include <bits/stdc++.h>

#define f first
#define s second

#define pb push_back
#define pp pop_back
#define mp make_pair

#define sz(x) (int)x.size()
#define sqr(x) ((x) * 1ll * (x))
#define all(x) x.begin(), x.end()

#define Kazakhstan ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);

#define nl '\n'
#define ioi exit(0);

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;

const int N = (int)5e5 + 7, inf = (int)1e9 + 7, mod = (int)1e9 + 7;
const ll linf = (ll)1e18 + 7;
const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1}, dy[] = {0, 1, 0, -1, 1, -1, 1, -1};

using namespace std;

int n;
ll ans;
int x[N], g[N], d[N];
int main() {
	/*
	#ifdef IOI2018
		freopen ("in.txt", "r", stdin);
	#endif
	#ifndef IOI2018
		#define fname "divide"
		freopen (fname".in", "r", stdin);
		freopen (fname".out", "w", stdout);
	#endif*/
	freopen ("divide.in", "r", stdin);
	freopen ("divide.out", "w", stdout);
	Kazakhstan
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> x[i] >> g[i] >> d[i];;
	}
	for (int i = 1; i <= n; i++) {
		ll cur = 0, can = 0;
		for (int j = i; j <= n; j++) {
			can += d[j];
			cur += g[j];
			if (x[j] - x[i] <= can) ans = max(ans, cur);
		}
	}
	cout << ans;
	ioi
}

Compilation message

divide.cpp: In function 'int main()':
divide.cpp:47:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen ("divide.in", "r", stdin);
                                   ^
divide.cpp:48:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen ("divide.out", "w", stdout);
                                     ^

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 7876 KB Execution killed because of forbidden syscall [unknown syscall - gap in table] (292)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 7876 KB Execution killed because of forbidden syscall [unknown syscall - gap in table] (292)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 7876 KB Execution killed because of forbidden syscall [unknown syscall - gap in table] (292)
2 Halted 0 ms 0 KB -