Submission #905030
Source Code Expand
#include<cstdio> #include<algorithm> using namespace std; int N; int a[110]; int cnt[110]; bool solve(){ sort(a, a + N); if(N == 2){ if(a[0] == 1 && a[1] == 1) return true; return false; } for(int i = 0; i < N; ++i) cnt[i] = 0; for(int i = 0; i < N; ++i) cnt[a[i]]++; int d = a[N - 1]; for(int i = 0; i <= d; ++i){ int x = max(i, d - i); cnt[x]--; if(cnt[x] < 0) return false; } int m = (d + 3) / 2; for(int i = 0; i < m; ++i) if(cnt[i] > 0) return false; return true; } void input(){ scanf("%d", &N); for(int i = 0; i < N; ++i) scanf("%d", a + i); } int main(){ input(); bool flg = solve(); if(flg) printf("Possible\n"); else printf("Impossible\n"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Tree Restoring |
User | wo01 |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 739 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘void input()’: ./Main.cpp:31:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ ./Main.cpp:32:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i = 0; i < N; ++i) scanf("%d", a + i); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
|
|
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 | 128 KB |
almostline1 | AC | 1 ms | 128 KB |
almostline2 | AC | 1 ms | 128 KB |
almostline3 | AC | 1 ms | 128 KB |
can0 | AC | 1 ms | 128 KB |
can1 | AC | 1 ms | 128 KB |
can2 | AC | 1 ms | 128 KB |
can3 | AC | 1 ms | 128 KB |
can4 | AC | 1 ms | 128 KB |
can5 | AC | 1 ms | 128 KB |
can6 | AC | 1 ms | 128 KB |
deg0 | AC | 1 ms | 128 KB |
deg1 | AC | 1 ms | 128 KB |
deg2 | AC | 1 ms | 128 KB |
deg3 | AC | 1 ms | 128 KB |
example0 | AC | 1 ms | 128 KB |
example1 | AC | 1 ms | 128 KB |
example2 | AC | 1 ms | 128 KB |
example3 | AC | 1 ms | 128 KB |
example4 | AC | 1 ms | 128 KB |
example5 | AC | 1 ms | 128 KB |
handmade0 | AC | 1 ms | 128 KB |
line0 | AC | 1 ms | 128 KB |
line1 | AC | 1 ms | 128 KB |
line2 | AC | 1 ms | 128 KB |
line3 | AC | 1 ms | 128 KB |
ng10 | AC | 1 ms | 128 KB |
ng11 | AC | 1 ms | 128 KB |
ng12 | AC | 1 ms | 128 KB |
ng13 | AC | 1 ms | 128 KB |
ng20 | AC | 1 ms | 128 KB |
ng21 | AC | 1 ms | 128 KB |
ng22 | AC | 1 ms | 128 KB |
ng23 | AC | 1 ms | 128 KB |
plus0 | AC | 1 ms | 128 KB |
plus1 | AC | 1 ms | 128 KB |
plus2 | AC | 1 ms | 128 KB |
plus3 | AC | 1 ms | 128 KB |
rand0 | AC | 1 ms | 128 KB |
rand1 | AC | 1 ms | 128 KB |
rand2 | AC | 1 ms | 128 KB |
star0 | AC | 1 ms | 128 KB |
star1 | AC | 1 ms | 128 KB |
star2 | AC | 1 ms | 128 KB |
star3 | AC | 1 ms | 128 KB |