C++ÓëÊý¾Ý½á¹¹»ù´¡¼òÃ÷½Ì³Ì¿ÎºóÏ°Ìâ´ð°¸

using namespace std; int main() {

int i,j; int sum=0; for (i=5;i<=7;i++) {

int jiecheng=1;

for (j=1;j<=i;j++) jiecheng=jiecheng*j; sum=sum+jiecheng; }

cout<

//´Ó2¿ªÊ¼100¸öËØÊý #include using namespace std; int main() {

int num=1; int sushu=0; start:; num++;

for (int i=2;i<=num;i++) {

if(num%i==0) break; }

if (i==num) {

cout<

if(sushu!=100) goto start; return 0; } 2-12

//°ÙÇ®Âò°Ù¼¦ÎÊÌâ #include using namespace std; int main() {

int x,y,z;

for(x=0;x<=100;x++) {

for(y=0;y<=100;y++) {

for(z=0;z<=100;z++)

if (x+y+z==100&&5*x+3*y+z/3==100&&z%3==0) cout<

#include

using namespace std; int main() {

int a,b,c,d,e; c=0; cin>>a;

cout<<\ÊäÈë\¸ÃÊýµÄÈý´Î·½ÊÇ\¸öÁ¬ÐøÆæÊý\ b=1; e=a*a*a; while (c!=e) {

d=b; c=0;

for (int i=1;i<=a;i++) { c=c+d; d=d+2; } b=b+2; }

//cout<

for (int j=1;j<=a;j++) {

f=f+2; cout<

}

cout<<\µÄºÍ\\n\ return 0; } 2-14

//Êä³öËÄ·½*ÐÎ×´ #include using namespace std; int main() {

int i,j;

for (i=1;i<=9;i++) {

j=1;

for(j=1;j<=9;j++) {

if(i+j>=6&&i+j<=14&&j-i<=4&&i-j<=4) cout<<'*'; else cout<<' '; } cout<

//ÏòÊý×éaÖÐÊäÈë10¸öÕûÊý£¬ÇóÆäÖеÄ×î´óÖµ£¬×îСֵºÍ10¸öÊýµÄËãÊõƽ¾ùÖµ #include using namespace std; int main()

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