Submission #147348

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
147348	2019-08-29 06:33:02	georgerapeanu	Valley (BOI19_valley)	C++11	100 / 100	271 ms	37776 KiB

valley

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#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
FILE *f = stdin;
FILE *g = stdout;
const int NMAX = 1e5;
const int QMAX = 1e5;
const int LGMAX = 16;
const long long inf = (1LL << 60);
int n,s,q,e;
long long dp[LGMAX + 1][NMAX + 5];
int father[LGMAX + 1][NMAX + 5];
vector<pair<int,int> > graph[NMAX + 5];
pair<int,int> edge[NMAX + 5];
int lin[NMAX + 5],sz;
int st[NMAX + 5];
int dr[NMAX + 5];
long long lvl[NMAX + 5];
void dfs(int nod,int tata){
    father[0][nod] = tata;
    lin[++sz] = nod;
    st[nod] = sz;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

valley.cpp: In function 'int main()':
valley.cpp:45:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     fscanf(f,"%d %d %d %d",&n,&s,&q,&e);
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
valley.cpp:49:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         fscanf(f,"%d %d %d",&a,&b,&w);
         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
valley.cpp:61:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         fscanf(f,"%d",&x);
         ~~~~~~^~~~~~~~~~~
valley.cpp:82:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         fscanf(f,"%d %d",&e,&u);
         ~~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 27 / 27
• Subtask 3: 23 / 23
• Subtask 4: 41 / 41