vO~OTEu`
Ep.85 K4-6

otH[Fp.84 K4-4 qg
E1܂łɂɂwhilěpςƗǂ
E0ȉƉsȂɂ́As̎s͒l0݂̎̂ɂΗǂ</pre>
 p.85 K4-5͊iRQۑƂ܂j

쐬

//p.84 K4-4
#include <stdio.h>
int main(void)
{
	int no; //͗p̕ϐ錾
	printf("̐͂F"); scanf("%d", &no); //͈ē\L[{[h琮l
	int enter = no; //yǉz͒lޔ
	while (no >= 1) { //yύXzno1ȏłԁAJԂ
		printf("%d ", no--); //lƋ󔒂o͂ĂJEg_E
	}
	if (enter > 0) { //yǉz͒l0H
		printf("\n"); //s
	}
	return 0;
}

p.85 K4-6 qg

ECNg(Fi++)̑ɕZqp(Fi += 2)2点
EAprintf̒Łui += 2vƕ\̑OɎsĂ܂̂Œ
E܂Al0ɂ邩2ɂ邩悤

쐬

//p.84 K4-6
#include <stdio.h>
int main(void)
{
	int no; //͗p̕ϐ錾
	printf("̐͂F"); scanf("%d", &no); //͈ē\L[{[h琮l
	int i = 2;
	while (i <= no) { //inoȉłԁAJԂ
		printf("%d ", i); //lƋ󔒂o
		i += 2; //+2
	}
	printf("\n"); //s
	return 0;
}

p.85 K4-7 qg

ECNg(Fi++)̑ɕZqp(Fi *= 2)2{ɂł
EAprintf̒Łui *= 2vƕ\̑OɎsĂ܂̂Œ
E܂Al1ɂ邩2ɂ邩悤

쐬

//p.84 K4-7
#include <stdio.h>
int main(void)
{
	int no; //͗p̕ϐ錾
	printf("̐͂F"); scanf("%d", &no); //͈ē\L[{[h琮l
	int i = 2;
	while (i <= no) { //inoȉłԁAJԂ
		printf("%d ", i); //lƋ󔒂o
		i *= 2; //~2
	}
	printf("\n"); //s
	return 0;
}

p.86 萔

Ë͌OSɂĈقȂ̂Œ
ECł͕͕R[h̐ŕ\
E萔(e)̓VOR[e[Vŋŕ\BG'A'A' '
ECł͕萔int^

p.87 putchar֐

Ep̏o͊֐
@ Pprintfŕ\y
Eŝ݂sƂɕ֗Fputchar('\n');

p.87 do

Ewhile͌JԂ̑OɌJԂ𔻒f邪uĂ݂Ȃ킩vꍇɕs
EOJԂƂ
Eɑ΂āuĂ݂ĂJԂ𔻒fvꍇɌ̂do(do-while)
E㔻JԂƂ
EF do { JԂe } while(p); //ɃZ~RKv
EF
  int a;
  do { //JԂJn
    printf("̐:"); scanf("%d", &a);
  } while (a <= 0); //͒l0ȉȂJԂ(ɐi܂ȂI)

 p.87 K4-8͊iRQۑƂ܂j

~jK mini087.cpp

E̗vO낤

쐬

//~jK mini087.cpp
#include <stdio.h>
int main(void)
{
	int a;
	do { //JԂJn
		printf("̐:"); scanf("%d", &a);
	} while (a <= 0); //͒l0ȉȂJԂ(ɐi܂ȂI)
	return 0;
}

p.88 OuZqƑOuZq

ECNgPƂōsꍇui++v̂悤Ɍɒu(u)Ƃ
ECNgʂpi+1Ăgjꍇ́u++iv̂悤ɑOɒu(Ou)

AWKFp.88 list0409.cpp

Eu͉Fv1͂ꂽɐi܂͂JԂ悤ɂ悤
E܂A~jK mini087.cppdo𐷂荞߂Ηǂ

쐬

//p.88 list0409.cpp
#include <stdio.h>
int main(void)
{
    int num; //͗p̕ϐ錾
    do {
        printf("͉F");
        scanf("%d", &num); //L[{[h琮l
    } while (num < 1); //͒l1ȂJԂ(ɐi܂ȂI)
    int i = 0; //JE^
    int sum = 0; //v
    while (i < num) { //inumłԁAJԂ
        int tmp; //͗p̕ϐ(ĝ)
        printf("No.%dF", ++i); //+1Ă\
        scanf("%d", &tmp); //L[{[h琮l
        sum += tmp; //vɑ
    }
    printf("vlF%d\n", sum); //v\(s)
    printf("ϒlF%.2f\n", (double)sum / num); //vɃLXgŊ菬_ȉ2\
    return 0;
}

p.89 do̕\L

Edo{}Ώۂ1łΏȗł邪ȗȂǂ
 lɁAwhilefor(q){}ȗȂǂꍇ
 Ɩł̓[J[`[[ɏ]

p.91 K4-9A4-10͊iRQۑƂ܂j

p.91 K4-11 qg

E͒li[ϐno̒lwhile̒ŏĂ܂B
EāAL̂ǂ炩sΗǂ
@@ ϐno̒lޔĂėp
@A ϐno̒lwhileɓOɕ\Ă
Elist0410.cppƁAwhilȇOprintfŕ\ł̂AOK

쐬

//p.91 K4-11
#include <stdio.h>
int main(void)
{
    int no; //͗p̕ϐ錾
    do {
        printf("̐͂F");
        scanf("%d", &no); //L[{[h琮l
        if (no <= 0) {
            puts("\ałȂ͂ȂłB");
        }
    } while (no <= 0); //͒l0ȉȂJԂ(ɐi܂ȂI)
    printf("%dtǂނ", no); //yύXz
    while (no > 0) { //no0ł(ɂ0ɂȂĂ܂܂)JԂ
        printf("%d", no % 10); //10Ŋ]聁1\
        no /= 10; //101ɂ遁(Ȃ̂)1菜
    }
    puts("łB");
    return 0;
}

p.91 K4-12͊iRQۑƂ܂j

p.92 break

Eswitch(p.66)ɂbreakƓlŁuubN𔲂v߂ɗp
EAJԂ\ŗpꍇ́ũ݂[v甲vӖɂȂ
@q鑽d[vł́ũ[v甲vƂȂ̂Œ

p.92 continue

EJԂɂāu͂ŗǂƂĎɂvƂӖ
EJԂ̓ě㑱Jbgł\([vEoł͂Ȃ)
EāAJԂ̓eGȏꍇɗp
@ eVvȏꍇifőpł̂ŁAp͐Ȃ
Fp.92 list0411.cpp̏ꍇAif`else͉L̂悤ɂق₷

@if (no == -9999) {
@@break;
@} else if (no <= 0) {
@@continue;
@}
@sum += no;



@if (no == -9999) {
@@break;
@} else if (no > 0) {
@@sum += no;
@}

p.94 for

Ewhile̋@\go[WŁAOJԂB
Ewhileł悭gp^[1ɂ܂Ƃ߂āuJԂvڂŕ悤ɏ\
ywhilez
@int JE^ = 0;
@while(JE^ < ) {
@@JԂe //񐔂̕JԂ
@@JE^++;
@}
yforz
@for(int JE^ = 0; JE^ < ; JE^++;) { //񐔕JԂ
@@JԂe 
@}
EJE^̏l⑝()Ȃǂ͎Rɂł̂ŁA񐔂킩JԂforŏƗǂ
Efor{}Ώۂ1łΏȗł
 Ɩł̓[J[`[[ɏ]

p.98 K4-13 dlƃqg

Eforp邱
EfoȓOŁu1num(͒l)1vƕ\Ă
EfoȓOōvp̕ϐsum0ɏĂ
EforŃJE^i1AnumȉłԁACNgȂJԂ
Efor̓éusumi𑫂ށv
EforIĂusumłBv\Ηǂ

쐬

//p.91 K4-13
#include <stdio.h>
int main(void)
{
    int num; //͗p̕ϐ錾
    printf("n̒lF");
    scanf("%d", &num); //L[{[h琮l
    printf("1%d܂ł̑a", num);
    int sum = 0;
    for (int i = 1; i <= num; i++) { //i1AnumȉłԁA+1ȂJԂ
        sum += i; //sumi𑫂
    }
    printf("%dłB", sum);
    return 0;
}

p.91 K4-14͊iRQۑƂ܂j

p.91 K4-15 qg

EucmvϐbeginAucm܂ŁvϐendAucmƁvϐeachɊi[B
EƁAfor(int i = begin; i <= end; i += each) {c} ƂȂ

쐬

//p.91 K4-15
#include <stdio.h>
int main(void)
{
    int begin, end, each; //͗p̕ϐ(JnlAIlA)錾
    printf("cmF"); scanf("%d", &begin); //L[{[h琮l
    printf("cm܂ŁF"); scanf("%d", &end); //L[{[h琮l
    printf("cmƁF"); scanf("%d", &each); //L[{[h琮l
    for (int i = begin; i <= end; i += each) { //iJnlAIlȉłԁA+ȂJԂ
        printf("%dcm  %.2fkg\n", i, (i - 100) * 0.9); //gƕW̏d(_ȉ2)\
    }
    return 0;
}

p.99 forɂ񐔂̌JԂiǉj

Efor̃JbRŏJE^p̕ϐfor̃ubNł̂ݗL
EāAJE^p̕ϐfor̊Ołpꍇ́AfoȓOŐ錾邱
EF
@int i; //Oɐ錾
  for (i = begin; i <= end; i += each) {c} //ɂ
@printf("%dcmȏ͕\܂", i); //fořJԂ𔲂̃JE^𗘗pł

p.100 K4-16A4-17͊iRQۑƂ܂j

p.100 K4-18 qg

Ep.97 list0413.cppɂƗǂ
Efor{}Lq
Eputchar('*');̌ŁAi5Ŋ]肪0Ȃ΁Aputchar('\n'); s
EfořŁA5̔{łȂΉsΗǂ

//p.100 K4-18
#include <stdio.h>
int main(void)
{
    int num; //͗p̕ϐ錾
    printf("*\܂F"); scanf("%d", &num); //L[{[h琮l
    for (int i = 1; i <= num; i++) { //i1AnumȉłԁA+1ȂJԂ
        putchar('*');
        if (i % 5 == 0) { //5񂲂Ƃ
            putchar('\n'); //s
        }
    }
    if (num % 5 != 0) { //񐔂5̔{łȂ
        putchar('\n'); //ŌɉsĂȂ̂ŉs
    }
    return 0;
}

oFp.101 K4-19 qg

E܂Alist4-17forif̏ȗĂ{}
EfoȓOŌp̕ϐcnt0ɏĂ
Eif̒cntCNg
EfořŁu񐔂cntłBvƕ\
Eslist4-17Ƃ͈قȂĂ̂Œ

vO~OTE\Fp.102uQd[vv
