Submission #690981

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
690981	2023-01-30 20:00:01	divad	Shell (info1cup18_shell)	C++14	0 / 100	64 ms	31704 KiB

shell

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
#define MOD 1000000007
#define MAX 1000002
using namespace std;
int n,m,p,x,y,d[MAX],dp[MAX],c[MAX],vf[MAX];
vector<int> v[MAX];
vector<int> mrc;
void dfs(int nod){
    vf[nod] = 1;
    for(int vecin: v[nod]){
        if(vf[vecin] == 0){
            d[vecin] = 1+dp[nod];
            dfs(vecin);
        }
    }
}
void dfs_dp(int nod, int src, int dest){
    vf[nod] = 1;
    for(int vecin: v[nod]){
        if(vf[vecin] == 0 && d[vecin] >= d[nod] || (vecin == dest || c[vecin] == 0)){
            dp[vecin] += dp[nod];
            dp[vecin] %= MOD;
            dfs_dp(vecin, src, dest);
        }
    }
}
int nr_drum(int src, int dest){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

shell.cpp: In function 'void dfs_dp(int, int, int)':
shell.cpp:22:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   22 |         if(vf[vecin] == 0 && d[vecin] >= d[nod] || (vecin == dest || c[vecin] == 0)){
      |            ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
shell.cpp: In function 'int main()':
shell.cpp:54:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for(int i = 1; i < mrc.size(); i++){
      |                    ~~^~~~~~~~~~~~
shell.cpp:65:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |     for(int i = 1; i < mrc.size(); i++){
      |                    ~~^~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 45
• Subtask 3: 0 / 20
• Subtask 4: 0 / 25