Submission #2239278
Source Code Expand
#include<bits/stdc++.h> using namespace std; inline int read(){ int x=0,f=1;char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();} while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();} return x*f; } int n,num[105],ma; int main(){ int i;n=read();for(i=1;i<=n;i++) num[read()]++; for(i=1;i<n;i++) if(num[i]) ma=i; if(num[ma]<2){printf("Impossible\n");return 0;} for(i=1;i<=(ma-1)>>1;i++)if(num[i]){printf("Impossible\n");return 0;} if(!ma&1){printf("%d\n",i+1);++i;if(num[i]==0){printf("Impossible\n");return 0;}} for(i;i<ma;i++)if(num[i]<2){printf("Impossible\n");return 0;} printf("Possible\n");return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Tree Restoring |
User | vjudge4 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 642 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 700 | ||||||||
Status |
|
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Set Name | Test Cases |
---|---|
Sample | example0, example1, example2, example3, example4, example5 |
All | almostline0, almostline1, almostline2, almostline3, can0, can1, can2, can3, can4, can5, can6, deg0, deg1, deg2, deg3, example0, example1, example2, example3, example4, example5, handmade0, line0, line1, line2, line3, ng10, ng11, ng12, ng13, ng20, ng21, ng22, ng23, plus0, plus1, plus2, plus3, rand0, rand1, rand2, star0, star1, star2, star3 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
almostline0 | AC | 1 ms | 256 KB |
almostline1 | AC | 1 ms | 256 KB |
almostline2 | AC | 1 ms | 256 KB |
almostline3 | WA | 1 ms | 256 KB |
can0 | WA | 1 ms | 256 KB |
can1 | WA | 1 ms | 256 KB |
can2 | WA | 1 ms | 256 KB |
can3 | WA | 1 ms | 256 KB |
can4 | WA | 1 ms | 256 KB |
can5 | AC | 1 ms | 256 KB |
can6 | AC | 1 ms | 256 KB |
deg0 | AC | 1 ms | 256 KB |
deg1 | WA | 1 ms | 256 KB |
deg2 | AC | 1 ms | 256 KB |
deg3 | WA | 1 ms | 256 KB |
example0 | AC | 1 ms | 256 KB |
example1 | AC | 1 ms | 256 KB |
example2 | WA | 1 ms | 256 KB |
example3 | WA | 1 ms | 256 KB |
example4 | AC | 1 ms | 256 KB |
example5 | WA | 1 ms | 256 KB |
handmade0 | AC | 1 ms | 256 KB |
line0 | AC | 1 ms | 256 KB |
line1 | WA | 1 ms | 256 KB |
line2 | AC | 1 ms | 256 KB |
line3 | WA | 1 ms | 256 KB |
ng10 | WA | 1 ms | 256 KB |
ng11 | WA | 1 ms | 256 KB |
ng12 | WA | 1 ms | 256 KB |
ng13 | WA | 1 ms | 256 KB |
ng20 | AC | 1 ms | 256 KB |
ng21 | AC | 1 ms | 256 KB |
ng22 | AC | 1 ms | 256 KB |
ng23 | AC | 1 ms | 256 KB |
plus0 | WA | 1 ms | 256 KB |
plus1 | AC | 1 ms | 256 KB |
plus2 | AC | 1 ms | 256 KB |
plus3 | AC | 1 ms | 256 KB |
rand0 | AC | 1 ms | 256 KB |
rand1 | AC | 1 ms | 256 KB |
rand2 | AC | 1 ms | 256 KB |
star0 | WA | 1 ms | 256 KB |
star1 | AC | 1 ms | 256 KB |
star2 | WA | 1 ms | 256 KB |
star3 | AC | 1 ms | 256 KB |