#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
long long arr[1000000]; //시험장당 인원수
long long arr2[1000000];//총감독이 다루는 인원 제외
long long arr3[1000000];//시험장당 필요한 감독의 수
int main()
{
int tes; //시험장의 개수
long long b, c; //총,부감독이 다루는 인원
int i;
long long sum = 0;
for (i = 0; i < tes; i++)
scanf("%lld %lld", &b
, &c
);
for (i = 0; i < tes; i++)
arr2[i] = arr[i] - b;
for (i = 0; i < tes; i++)
{
if (arr2[i] % c == 0)
arr3[i] = arr2[i] / c + 1;
else
arr3[i] = arr2[i] / c + 2;
}
for (i = 0; i < tes; i++)
sum += arr3[i];
}
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