Submission #610218


Source Code Expand

#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <iostream>
using namespace std;

const long N=1000000;

long x[N+1];
long sorted[N+1];

int main(){
	int n, m;
	long a, p;
	long ans=0;
	int seat[1000];

	memset(seat, 0, sizeof(seat));

	scanf(" %d %d", &n ,&m);
	scanf(" %ld %ld %ld", &x[0], &a, &p);

	sorted[0]=x[0];
	for(long i=1; i<n*m; ++i){
		x[i]=(x[i-1]+a)%p;
		sorted[i]=x[i];
	}
	sort(sorted, sorted+n*m);

	//場合分け
	if(a%p==0){
		if(x[0]>x[1]) ans=n-1;
		else ans=0;
	}
	else{
		for(long i=0; i<m; ++i){
			for(long j=0; j<n; ++j){
				long t=j*m+i;
				//printf("looking :: %ld\n", x[t]);

				//2分探索
				long left=0, right=n*m-1;
				long center;
				while(left<right){
					center=(left+right)/2;
					if(sorted[center] < x[t]){
						left = center+1;
					}
					else if(sorted[center] > x[t]){
						right = center-1;
					}
					else break;
				}

				long dest=center/m; //行くべき列

				//printf("  dest=%ld\n", dest);

				ans+=fabs( dest - (t/m) ) + fabs( seat[dest] - (t%m) );
				seat[dest]++;
			}
		}

	}

	printf("%ld\n", ans);
}

Submission Info

Submission Time
Task C - 席替え
User imulan
Language C++ (G++ 4.6.4)
Score 0
Code Size 1178 Byte
Status WA
Exec Time 45 ms
Memory 1648 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:22:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result

Set Name All
Score / Max Score 0 / 100
Status
AC × 13
WA × 66
Set Name Test Cases
All case_01.txt, case_02.txt, case_03.txt, case_04.txt, case_05.txt, case_06.txt, case_07.txt, case_08.txt, case_09.txt, case_10.txt, case_11.txt, case_12.txt, case_13.txt, case_14.txt, case_15.txt, case_16.txt, case_17.txt, case_18.txt, case_19.txt, case_20.txt, case_21.txt, case_22.txt, case_23.txt, case_24.txt, case_25.txt, case_26.txt, case_27.txt, case_28.txt, case_29.txt, case_30.txt, case_31.txt, case_32.txt, case_33.txt, case_34.txt, case_35.txt, case_36.txt, case_37.txt, case_38.txt, case_39.txt, case_40.txt, case_41.txt, case_42.txt, case_43.txt, case_44.txt, case_45.txt, case_46.txt, case_47.txt, case_48.txt, case_49.txt, case_50.txt, case_51.txt, case_52.txt, case_53.txt, case_54.txt, case_55.txt, case_56.txt, case_57.txt, case_58.txt, case_59.txt, case_60.txt, case_61.txt, case_62.txt, case_63.txt, case_64.txt, case_65.txt, case_66.txt, case_67.txt, case_68.txt, case_69.txt, case_70.txt, case_71.txt, case_72.txt, case_73.txt, case_74.txt, case_75.txt, case_76.txt, case_77.txt, case_78.txt, case_79.txt
Case Name Status Exec Time Memory
case_01.txt WA 35 ms 1364 KB
case_02.txt WA 30 ms 1380 KB
case_03.txt WA 32 ms 1380 KB
case_04.txt WA 31 ms 1424 KB
case_05.txt WA 30 ms 1356 KB
case_06.txt WA 31 ms 1380 KB
case_07.txt AC 31 ms 1376 KB
case_08.txt WA 30 ms 1368 KB
case_09.txt WA 32 ms 1420 KB
case_10.txt WA 31 ms 1396 KB
case_11.txt WA 31 ms 1432 KB
case_12.txt WA 32 ms 1428 KB
case_13.txt AC 31 ms 1420 KB
case_14.txt WA 32 ms 1436 KB
case_15.txt WA 33 ms 1432 KB
case_16.txt WA 33 ms 1488 KB
case_17.txt WA 33 ms 1424 KB
case_18.txt WA 31 ms 1364 KB
case_19.txt WA 34 ms 1564 KB
case_20.txt WA 31 ms 1452 KB
case_21.txt WA 32 ms 1436 KB
case_22.txt WA 30 ms 1372 KB
case_23.txt WA 31 ms 1428 KB
case_24.txt WA 33 ms 1424 KB
case_25.txt WA 31 ms 1428 KB
case_26.txt AC 33 ms 1492 KB
case_27.txt WA 32 ms 1432 KB
case_28.txt AC 32 ms 1328 KB
case_29.txt WA 34 ms 1436 KB
case_30.txt WA 31 ms 1496 KB
case_31.txt WA 31 ms 1428 KB
case_32.txt WA 31 ms 1428 KB
case_33.txt WA 30 ms 1424 KB
case_34.txt WA 30 ms 1496 KB
case_35.txt AC 30 ms 1436 KB
case_36.txt WA 31 ms 1372 KB
case_37.txt WA 31 ms 1416 KB
case_38.txt WA 31 ms 1372 KB
case_39.txt WA 32 ms 1496 KB
case_40.txt WA 33 ms 1564 KB
case_41.txt AC 29 ms 1440 KB
case_42.txt WA 28 ms 1432 KB
case_43.txt WA 30 ms 1364 KB
case_44.txt WA 30 ms 1372 KB
case_45.txt AC 31 ms 1428 KB
case_46.txt WA 30 ms 1436 KB
case_47.txt WA 33 ms 1480 KB
case_48.txt WA 31 ms 1360 KB
case_49.txt AC 32 ms 1360 KB
case_50.txt WA 40 ms 1496 KB
case_51.txt WA 36 ms 1488 KB
case_52.txt WA 34 ms 1496 KB
case_53.txt WA 37 ms 1492 KB
case_54.txt WA 35 ms 1648 KB
case_55.txt WA 35 ms 1492 KB
case_56.txt WA 36 ms 1488 KB
case_57.txt WA 38 ms 1484 KB
case_58.txt WA 33 ms 1552 KB
case_59.txt WA 37 ms 1488 KB
case_60.txt WA 35 ms 1492 KB
case_61.txt WA 38 ms 1484 KB
case_62.txt WA 36 ms 1488 KB
case_63.txt WA 36 ms 1496 KB
case_64.txt WA 36 ms 1484 KB
case_65.txt WA 34 ms 1556 KB
case_66.txt WA 36 ms 1492 KB
case_67.txt WA 38 ms 1484 KB
case_68.txt WA 45 ms 1520 KB
case_69.txt WA 36 ms 1552 KB
case_70.txt AC 30 ms 1428 KB
case_71.txt WA 30 ms 1432 KB
case_72.txt AC 32 ms 1372 KB
case_73.txt AC 32 ms 1488 KB
case_74.txt AC 31 ms 1356 KB
case_75.txt WA 32 ms 1420 KB
case_76.txt AC 32 ms 1360 KB
case_77.txt WA 32 ms 1364 KB
case_78.txt WA 32 ms 1432 KB
case_79.txt WA 32 ms 1364 KB
sample_1.txt AC 32 ms 1364 KB
sample_2.txt AC 32 ms 1364 KB
sample_3.txt AC 32 ms 1372 KB