QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #657337 | #9251. Graph Changing | Fiatiustitia# | WA | 0ms | 3972kb | C++17 | 2.6kb | 2024-10-19 14:35:46 | 2024-10-19 14:35:51 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int T;
inline int read(){
int ret=0;char ch=getchar();bool flg=0;
while(!isdigit(ch)) flg^=!(ch^'-'),ch=getchar();
while(isdigit(ch)) ret=(ret<<3)+(ret<<1)+ch-48,ch=getchar();
return flg?-ret:ret;
}
void solve()
{
int t=read(),n=read(),k=read(),x=read(),y=read();
if(x>y) swap(x,y);
if(t==0){
printf("%d\n",(y-x));
return;
}
if(k==1){
printf("%d\n",1);
return;
}
if(k==2){
if(n<=3){
if(t==1&&x==1&&y==3){
printf("1\n");
return;
}
printf("-1\n");
return;
}
t&=1;
if(t==0){
printf("%d\n",(y-x));
return;
}
else{
if(y-x>=2){
printf("1\n");
return;
}
if(x>=3){
printf("2\n");
return;
}
printf("3\n");
return;
}
return;
}
if(k==3){
if(t>=3) {printf("-1\n");return;}
if(t==1){
if(y-x>=k){
printf("1\n");
return;
}
if(x>=k+1||y+k<=n){
printf("2\n");
return;
}
//x n 1 y
if(n-x>=k&&y-1>=k){
printf("3\n");
return;
}
printf("-1\n");
return;
}
if(t==2){
if((x==2&&y==4)||(x==3&&y==5)){
if(n-x>=k&&y-1>=k){
printf("1\n");
return;
}
}
printf("-1\n");
return;
}
}
if(k>=4){
if(t>=2) {printf("-1\n");return;}
if(y-x>=k){
printf("1\n");
return;
}
if(x>=k+1||y+k<=n){
printf("2\n");
return;
}
//x n 1 y
if(n-x>=k&&y-1>=k){
printf("3\n");
return;
}
printf("-1\n");
return;
}
}
int main()
{
#ifdef LOCAL
freopen("data.in", "r", stdin);
freopen("data.out", "w", stdout);
auto _ = clock();
#endif
// ios::sync_with_stdio(false);
// cin.tie(nullptr);
T=read();
while(T--) solve();
#ifdef LOCAL
cerr << clock() - _ << '\n';
#endif
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3772kb
input:
5 1 5 3 2 4 1 10 4 2 4 2 10 5 2 4 1 3 2 1 3 1 3 2 1 2
output:
3 2 -1 1 -1
result:
ok 5 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 3780kb
input:
30 1 2 1 1 2 1 2 2 1 2 1 2 3 1 2 1 2 4 1 2 1 2 5 1 2 1 2 6 1 2 2 2 1 1 2 2 2 2 1 2 2 2 3 1 2 2 2 4 1 2 2 2 5 1 2 2 2 6 1 2 3 2 1 1 2 3 2 2 1 2 3 2 3 1 2 3 2 4 1 2 3 2 5 1 2 3 2 6 1 2 4 2 1 1 2 4 2 2 1 2 4 2 3 1 2 4 2 4 1 2 4 2 5 1 2 4 2 6 1 2 5 2 1 1 2 5 2 2 1 2 5 2 3 1 2 5 2 4 1 2 5 2 5 1 2 5 2 6 1 2
output:
1 -1 -1 -1 -1 -1 1 -1 -1 -1 -1 -1 1 -1 -1 -1 -1 -1 1 -1 -1 -1 -1 -1 1 -1 -1 -1 -1 -1
result:
ok 30 lines
Test #3:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
90 1 3 1 1 2 1 3 1 1 3 1 3 1 2 3 1 3 2 1 2 1 3 2 1 3 1 3 2 2 3 1 3 3 1 2 1 3 3 1 3 1 3 3 2 3 1 3 4 1 2 1 3 4 1 3 1 3 4 2 3 1 3 5 1 2 1 3 5 1 3 1 3 5 2 3 1 3 6 1 2 1 3 6 1 3 1 3 6 2 3 2 3 1 1 2 2 3 1 1 3 2 3 1 2 3 2 3 2 1 2 2 3 2 1 3 2 3 2 2 3 2 3 3 1 2 2 3 3 1 3 2 3 3 2 3 2 3 4 1 2 2 3 4 1 3 2 3 4 2...
output:
1 1 1 -1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
result:
ok 90 lines
Test #4:
score: -100
Wrong Answer
time: 0ms
memory: 3972kb
input:
180 1 4 1 1 2 1 4 1 1 3 1 4 1 1 4 1 4 1 2 3 1 4 1 2 4 1 4 1 3 4 1 4 2 1 2 1 4 2 1 3 1 4 2 1 4 1 4 2 2 3 1 4 2 2 4 1 4 2 3 4 1 4 3 1 2 1 4 3 1 3 1 4 3 1 4 1 4 3 2 3 1 4 3 2 4 1 4 3 3 4 1 4 4 1 2 1 4 4 1 3 1 4 4 1 4 1 4 4 2 3 1 4 4 2 4 1 4 4 3 4 1 4 5 1 2 1 4 5 1 3 1 4 5 1 4 1 4 5 2 3 1 4 5 2 4 1 4 5 ...
output:
1 1 1 1 1 1 3 1 1 3 1 2 -1 -1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 1 1 1 1 2 3 1 2 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 1 1 1 3 1 1 3 1 2 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 1 1 1 1...
result:
wrong answer 7th lines differ - expected: '2', found: '3'