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 |
---|---|---|---|---|---|---|---|---|---|
#211437 | #3806. 逃跑 | 18915523188 | 40 | 784ms | 18456kb | C++ | 1.2kb | 2024-08-11 12:58:48 | 2024-08-11 13:17:49 |
answer
#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll n,m,k,a[200005][10],b[200005][10],an[10],anst,ans,ccc[200005];
void dfs(ll c,ll cn){
if(c>n||cn==k){
if(cn<k){
return;
}
for(int i=1;i<=m;i++){
an[i]=0;
}
for(int i=1;i<=cn;i++){
for(int j=1;j<=m;j++){
an[j]+=b[i][j];
}
}
anst=0;
for(int i=1;i<=m;i++){
if(an[i]<0){
an[i]=-an[i];
}
anst+=an[i];
}
ans=max(ans,anst);
return;
}
if(n-c+1+cn<k){
return;
}
dfs(c+1,cn);
for(int i=1;i<=m;i++){
b[cn+1][i]+=a[c][i];
}
dfs(c+1,cn+1);
for(int i=1;i<=m;i++){
b[cn+1][i]-=a[c][i];
}
return;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>n>>m>>k;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
cin>>a[i][j];
}
}
if(n<=18&&m!=1){
dfs(1,0);
cout<<ans;
return 0;
}
if(m==1){
for(int i=1;i<=n;i++){
ccc[i]=a[i][1];
}
sort(ccc+1,ccc+n+1);
for(int i=1;i<=k;i++){
// cout<<ccc[i]<<" ";
ans+=ccc[i];
}
ans=-ans;
for(int i=n;i>=n-k+1;i--){
anst+=ccc[i];
}
ans=max(anst,ans);
cout<<ans;
return 0;
}
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 0ms
memory: 1264kb
input:
16 6 10 -8117570516 9044069943 -8048766531 -8085807376 9028744360 -2291836940 8616476021 250513762 9...
output:
231924481827
result:
ok "231924481827"
Test #2:
score: 10
Accepted
time: 0ms
memory: 1264kb
input:
18 8 15 -6677000484 -1719283852 4578001104 8068813014 -80018326 4784041624 -1445243501 5746477070 -4...
output:
266922244841
result:
ok "266922244841"
Test #3:
score: 10
Accepted
time: 30ms
memory: 9872kb
input:
100000 1 30000 -8076175068 4904794051 9104341999 1200537137 7000920774 9670819374 -8604644357 -63778...
output:
210324135222440
result:
ok "210324135222440"
Test #4:
score: 10
Accepted
time: 51ms
memory: 18456kb
input:
200000 1 150000 -2272499492 -8807500507 3725379627 7512017895 4166123214 1269935574 -8584261761 -751...
output:
378098351320197
result:
ok "378098351320197"
Test #5:
score: 0
Wrong Answer
time: 44ms
memory: 9032kb
input:
100000 2 50000 5241196316 8333678776 -5242651186 5299526105 9464328294 -6643098907 -7209213944 -2118...
output:
result:
wrong answer Unexpected EOF in the participants output
Test #6:
score: 0
Wrong Answer
time: 69ms
memory: 9032kb
input:
100000 3 77777 -6171366053 3327407178 6863027058 -2358761813 -865379553 7668502806 -1462046286 16445...
output:
result:
wrong answer Unexpected EOF in the participants output
Test #7:
score: 0
Wrong Answer
time: 64ms
memory: 9028kb
input:
100000 4 80000 1342329756 468586460 -1031261932 -4571220835 8804945368 3053813574 4285088604 5648487...
output:
result:
wrong answer Unexpected EOF in the participants output
Test #8:
score: 0
Wrong Answer
time: 98ms
memory: 9032kb
input:
100000 5 50000 2090638820 9317267787 6793358676 4188448984 -9559977197 7940656860 -2874312253 -64757...
output:
result:
wrong answer Unexpected EOF in the participants output
Test #9:
score: 0
Wrong Answer
time: 214ms
memory: 16836kb
input:
200000 7 150000 9971130068 -8676993799 6080041194 -2943164240 -8998382194 9328104368 -6115122293 -24...
output:
result:
wrong answer Unexpected EOF in the participants output
Test #10:
score: 0
Wrong Answer
time: 214ms
memory: 16836kb
input:
200000 8 190000 1307391941 4980087558 -8998121420 3485381411 -4347578759 3621016169 4723154919 80775...
output:
result:
wrong answer Unexpected EOF in the participants output