Submission #776533

#	Time	Username	Problem	Language	Result	Execution time	Memory
776533		jamezzz	Fish (IOI08_fish)	C++17	Compilation error	0 ms	0 KiB

fish

#include <bits/stdc++.h>
using namespace std;

#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb push_back
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define LINF 1023456789123456789
typedef long long ll;
typedef pair<int,int> ii;
typedef pair<ll,int> li;

#define maxn 500005
#define maxk 500005

int n,k,m,cnt[maxk],bad[maxk],num[maxk][maxk];
ll mn[maxn];
vector<ii> v;

int main(){
	sf("%d%d%d",&n,&k,&m);
	for(int i=0;i<n;++i){
		int l,c;
		sf("%d%d",&l,&c);
		v.pb({l,c});
		++cnt[c];
	}
	sort(all(v));
	int ptr=n-1;
	ll ans=0;
	fill(mn,mn+n+1,1);
	for(int i=n-1;i>=0;--i){
		int c=v[i].se;
		if(bad[c])continue;
		while(ptr>=0&&v[i].fi<2*v[ptr].fi){
			--cnt[v[ptr].se];
			--ptr;
		}
		vector<int> undo;
		for(int j=1;j<=k;++j){
			if(c==j)continue;
			int x=num[c][j];
			if(x<=cnt[c]+1){
				mn[x+1]*=(cnt[j]+1);
				mn[x+1]%=m;
				undo.pb(x+1);
			}
		}
		ll add=1;
		for(int j=1;j<=cnt[c]+1;++j){
			add*=mn[j];
			add%=m;
			ans+=add;
			ans%=m;
		}
		for(int x:undo)mn[x]=1;
		for(int j=1;j<=k;++j){
			num[j][c]=cnt[j];
		}
		bad[c]=1;
	}
	pf("%lld\n",ans);
}

/*
5
3
7
2 2
4 1
8 3
4 1
2 3
*/

Compilation message (stderr)

fish.cpp: In function 'int main()':
fish.cpp:24:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |  sf("%d%d%d",&n,&k,&m);
      |    ^
fish.cpp:27:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |   sf("%d%d",&l,&c);
      |     ^
/tmp/cc3QHWkA.o: in function `main':
fish.cpp:(.text.startup+0x9): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x10): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x19): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x45): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x61): relocation truncated to fit: R_X86_64_PC32 against symbol `cnt' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x8f): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x15c): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x1aa): relocation truncated to fit: R_X86_64_PC32 against symbol `cnt' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x1fd): relocation truncated to fit: R_X86_64_PC32 against symbol `bad' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x255): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/cc3QHWkA.o
fish.cpp:(.text.startup+0x2d7): additional relocation overflows omitted from the output
/usr/bin/ld: failed to convert GOTPCREL relocation; relink with --no-relax
collect2: error: ld returned 1 exit status