# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
118252 |
2019-06-18T12:51:41 Z |
baluteshih |
Fish (IOI08_fish) |
C++14 |
|
3000 ms |
39644 KB |
#include <bits/stdc++.h>
#define jizz ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define pb push_back
#define ET cout << "\n"
#define MEM(i,j) memset(i,j,sizeof i)
#define F first
#define S second
#define MP make_pair
#define ALL(v) v.begin(),v.end()
#define DB(a,s,e) {for(int i=s;i<e;++i) cout << a[i] << " ";ET;}
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INF=1e9;
ll MOD;
pll fish[500005];
vector<pll> pl[500005],place;
bitset<500005> vis;
ll cnt[500005],bound[500005];
int main()
{jizz
ll n,k,ans=0,tmp,num,nw;
cin >> n >> k >> MOD,nw=n-1;
for(int i=0;i<n;++i)
cin >> fish[i].F >> fish[i].S,++cnt[fish[i].S];
sort(fish,fish+n);
for(int i=0;i<n;++i)
pl[fish[i].S].pb(MP(fish[i].F,1));
for(int i=1;i<=k;++i)
place.pb(MP(pl[i].back().F,i));
sort(ALL(place));
for(int i=n-1;i>=0;--i)
if(!vis[fish[i].S])
{
vector<pll> v;
vis[fish[i].S]=1,tmp=1;
while(nw>=0&&fish[nw].F*2>fish[i].F)
--cnt[fish[nw].S],--nw;
for(int j=0,t=0;j<k;++j)
{
while(t<pl[fish[i].S].size()&&pl[fish[i].S][t].F*2<=place[j].F)
++t;
bound[place[j].S]=t+1;
}
for(int j=1;j<=k;++j)
if(!vis[j])
{
tmp=tmp*(cnt[j]+1)%MOD;
if(cnt[j]==0) pl[j].back().S=pl[j].back().S*bound[j]%MOD;
else if(cnt[j]<pl[j].size())
pl[j][cnt[j]-1].S=pl[j][cnt[j]-1].S*bound[j]%MOD;
}
num=1,tmp=tmp*pl[fish[i].S].back().S%MOD;
ans=(ans+tmp)%MOD;
for(int j=0;j<pl[fish[i].S].size()&&pl[fish[i].S][j].F*2<=fish[i].F;++j)
tmp=tmp*pl[fish[i].S][j].S%MOD,ans=(ans+tmp)%MOD;
}
cout << ans << "\n";
}
Compilation message
fish.cpp: In function 'int main()':
fish.cpp:44:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(t<pl[fish[i].S].size()&&pl[fish[i].S][t].F*2<=place[j].F)
~^~~~~~~~~~~~~~~~~~~~~
fish.cpp:53:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
else if(cnt[j]<pl[j].size())
~~~~~~^~~~~~~~~~~~~
fish.cpp:58:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0;j<pl[fish[i].S].size()&&pl[fish[i].S][j].F*2<=fish[i].F;++j)
~^~~~~~~~~~~~~~~~~~~~~
fish.cpp:25:19: warning: variable 'num' set but not used [-Wunused-but-set-variable]
ll n,k,ans=0,tmp,num,nw;
^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12092 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
12160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
12160 KB |
Output is correct |
2 |
Correct |
12 ms |
12160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
12160 KB |
Output is correct |
2 |
Correct |
178 ms |
28116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
20 ms |
12124 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
12288 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
74 ms |
20080 KB |
Output is correct |
2 |
Correct |
96 ms |
21168 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
85 ms |
12416 KB |
Output is correct |
2 |
Correct |
28 ms |
12460 KB |
Output is correct |
3 |
Correct |
48 ms |
12520 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
164 ms |
24680 KB |
Output is correct |
2 |
Correct |
277 ms |
29508 KB |
Output is correct |
3 |
Correct |
284 ms |
30784 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
204 ms |
31012 KB |
Output is correct |
2 |
Correct |
360 ms |
32332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
320 ms |
24700 KB |
Output is correct |
2 |
Correct |
1349 ms |
30800 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3016 ms |
30364 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3038 ms |
33080 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3088 ms |
27208 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3011 ms |
36716 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3027 ms |
36568 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3040 ms |
39644 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |