Submission #171283

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
171283	2019-12-28 07:33:28	AM1648	Railway (BOI17_railway)	C++17	100 / 100	503 ms	33784 KiB

railway

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/* be name khoda */
#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
using namespace std;
#define forifrom(i, s, n) for (ll i = (s); i < (n); ++i)
#define fori(i, n) forifrom(i, 0, n)
#define forirto(i, n, e) for (ll i = (n) - 1; i >= (e); --i)
#define forir(i, n) forirto(i, n, 0)
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define F first
#define S second
typedef long long ll;
typedef pair<ll, ll> pii;
typedef vector<ll> vi;
typedef vector<pii> vpii;
const ll maxn = 100010;
const ll maxnlg = 20;
ll n, m, k;
vpii g[maxn];
ll st[maxn], ft[maxn], pars[maxnlg][maxn];
vi vers;
 
 
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Compilation message (stderr)

railway.cpp: In function 'int main()':
railway.cpp:9:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define forifrom(i, s, n) for (ll i = (s); i < (n); ++i)
                                              ^
railway.cpp:100:9: note: in expansion of macro 'forifrom'
         forifrom (i, 1, vers.size() - 1) {
         ^~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25