Submission #94951

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
94951	2019-01-25 13:50:35	bogdan10bos	Synchronization (JOI13_synchronization)	C++14	100 / 100	864 ms	24028 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
//#define FILE_IO
const int NMAX = 1e5;
const int LG = 16;
typedef pair<int, int> pii;
int N, M, Q, I;
int f[LG + 2][NMAX + 5], h[NMAX + 5], itv[NMAX + 5][2], state[NMAX + 5];
int info[NMAX + 5], lst[NMAX + 5];
pii edge[NMAX + 5];
vector<int> edg[NMAX + 5];
void DFS(int nod, int fth)
{
    h[nod] = h[fth] + 1;
    f[0][nod] = fth;
    for(int i = 1; i <= LG; i++)
        f[i][nod] = f[i - 1][ f[i - 1][nod] ];
    itv[nod][0] = ++I;
    for(auto nxt: edg[nod])
        if(nxt != fth)
            DFS(nxt, nod);
    itv[nod][1] = I;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

synchronization.cpp: In function 'int main()':
synchronization.cpp:70:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &N, &M, &Q);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
synchronization.cpp:74:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~
synchronization.cpp:91:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &id);
         ~~~~~^~~~~~~~~~~
synchronization.cpp:115:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40