Submission #718612

#	Time	Username	Problem	Language	Result	Execution time	Memory
718612		firewater	Robots (IOI13_robots)	C++14	90 / 100	3085 ms	11080 KiB

robots

#include "robots.h"
#pragma GCC optimize(3)
#pragma GCC target("avx,sse2,sse3,sse4,mmx")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-fwhole-program")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-fstrict-overflow")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-skip-blocks")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-funsafe-loop-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#include<queue>
#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
#define ll long long
#define N 1001000
#define mp make_pair
#define fs first
#define sn second
using namespace std;
int l,r,now,a[N],b[N];
pair<int,int>s[N];
priority_queue<int>d;
bool check(int t,int A, int B, int T)
{
	while(!d.empty())d.pop();
	now=1;
	for(int i=1;i<=A;++i){
		while(now<=T&&s[now].fs<a[i])d.push(s[now++].sn);
		for(int j=1;j<=t&&!d.empty();++j)
			d.pop();
	}
	while(now<=T&&d.size()<=B*t)d.push(s[now++].sn);
	if(d.size()>B*t)return false;
	for(int i=B;i>0&&!d.empty();--i)
		for(int j=1;j<=t&&!d.empty();++j)
			if(d.top()<b[i])d.pop();
	return d.empty();
}
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
	for(int i=1;i<=A;++i)
		a[i]=X[i-1];
	for(int i=1;i<=B;++i)
		b[i]=Y[i-1];
	for(int i=1;i<=T;++i)
		s[i]=mp(W[i-1],S[i-1]);
	sort(a+1,a+1+A);
	sort(b+1,b+1+B);
	sort(s+1,s+1+T);
	if(!check(T,A,B,T))return -1;
	l=(T+(A+B)-1)/(A+B);
	r=T;
	while(l<r)
	{
		int mid=l+r>>1;
		if(check(mid,A,B,T))r=mid;
		else l=mid+1;
	}
    return l;
}

Compilation message (stderr)

robots.cpp:23:39: warning: bad option '-fwhole-program' to pragma 'optimize' [-Wpragmas]
   23 | #pragma GCC optimize("-fwhole-program")
      |                                       ^
robots.cpp:30:41: warning: bad option '-fstrict-overflow' to pragma 'optimize' [-Wpragmas]
   30 | #pragma GCC optimize("-fstrict-overflow")
      |                                         ^
robots.cpp:32:41: warning: bad option '-fcse-skip-blocks' to pragma 'optimize' [-Wpragmas]
   32 | #pragma GCC optimize("-fcse-skip-blocks")
      |                                         ^
robots.cpp:46:51: warning: bad option '-funsafe-loop-optimizations' to pragma 'optimize' [-Wpragmas]
   46 | #pragma GCC optimize("-funsafe-loop-optimizations")
      |                                                   ^
robots.cpp:63:37: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   63 | bool check(int t,int A, int B, int T)
      |                                     ^
robots.cpp:63:37: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
robots.cpp:63:37: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
robots.cpp:63:37: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
robots.cpp: In function 'bool check(int, int, int, int)':
robots.cpp:72:24: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   72 |  while(now<=T&&d.size()<=B*t)d.push(s[now++].sn);
      |                ~~~~~~~~^~~~~
robots.cpp:73:13: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   73 |  if(d.size()>B*t)return false;
      |     ~~~~~~~~^~~~
robots.cpp: At global scope:
robots.cpp:79:68: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   79 | int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
      |                                                                    ^
robots.cpp:79:68: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
robots.cpp:79:68: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
robots.cpp:79:68: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:94:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   94 |   int mid=l+r>>1;
      |           ~^~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 0 / 10