Submission #1462679


Source Code Expand

Copy
#include<bits/stdc++.h>
using namespace std;
map < int , int > is[1<<20];
int main(){
    int n , m;
    scanf("%d %d",&n,&m);
    for(int j = 1 ; j<= m ; j++){
        int a , b;
        cin>>a>>b;
        is[a][b] =1;
    }
    for(int j = 1 ; j <= n ; j++){
        if(is[1][j] && is[j][n]){
            puts("POSSIBLE");
            return 0;
        }
    }
    puts("IMPOSSIBLE");
}

Submission Info

Submission Time
Task C - Cat Snuke and a Voyage
User spiral_out
Language C++14 (GCC 5.4.1)
Score 300
Code Size 408 Byte
Status AC
Exec Time 263 ms
Memory 68096 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
                         ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 4
AC × 11
Set Name Test Cases
Sample example0, example1, example2, example3
All example0, example1, example2, example3, last0, last1, many0, many1, rand0, rand1, rand2
Case Name Status Exec Time Memory
example0 AC 19 ms 49408 KB
example1 AC 19 ms 49408 KB
example2 AC 44 ms 54144 KB
example3 AC 19 ms 49408 KB
last0 AC 242 ms 64128 KB
last1 AC 212 ms 58752 KB
many0 AC 263 ms 68096 KB
many1 AC 222 ms 60672 KB
rand0 AC 186 ms 64000 KB
rand1 AC 255 ms 67328 KB
rand2 AC 173 ms 63104 KB