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@jwon0615 jwon0615/1721.cpp
Last active Mar 26, 2018

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2_codeup_연습문제_구조체
#include <stdio.h>
#include <math.h>
typedef struct {
int x, y;
}point;
int main(){
point p1, p2;
double i;
scanf("%d %d %d %d", &p1.x, &p1.y, &p2.x, &p2.y);
i=sqrt( pow((p1.x-p2.x),2) + pow((p1.y-p2.y),2));
printf("%.2f", i);
}
#include <stdio.h>
#include <math.h>
#include <malloc.h>
typedef struct {
int x, y;
}point;
int main(){
int n;
double sum=0;
scanf("%d", &n);
point *p=(point *)malloc(sizeof(point));
//point p[101]; //point p[n];
scanf("%d %d", &p[0].x, &p[0].y);
for(int i=1; i<n; i++) {
scanf("%d %d", &p[i].x, &p[i].y);
sum+=sqrt( pow((p[i-1].x - p[i].x),2) + pow((p[i-1].y - p[i].y),2));
}
printf("%.2f", sum);
return 0;
}
#include <stdio.h>
#include <malloc.h>
typedef struct {
char name[10];
int score;
}student;
void swaps( student &a, student &b){
student tmp;
tmp=a;
a=b;
b=tmp;
}
int main() {
int n,m;
scanf("%d %d",&n,&m);
student *st=(student *)malloc(sizeof(student)*n);
//student st[101]; //student st[n];
for(int i=0;i<n;i++)
scanf("%s %d", st[i].name, &st[i].score);
for(int i=0; i<n-1; i++) {
for(int j=0;j<n-1-i;j++) {
if(st[j].score<st[j+1].score) {
swaps(st[j], st[j+1]);
}
}
}
for(int i=0;i<m;i++)
printf("%s\n",st[i].name);
//for(int i=0; i<n;i++)
// printf("%s %d\n", st[i].name, st[i].score);
return 0;
}
#include<stdio.h>
#include<malloc.h>
typedef struct
{
char name[10];
int s1;
int s2;
int s3;
}student;
int main()
{
int n;
int max=-999, loc = 0, rank2=1,rank3=1;
scanf("%d",&n);
student *p=(student *)malloc(sizeof(student)*n);
//student p[n];
for(int i=0;i<n;++i)
{
scanf("%s %d %d %d",p[i].name,&p[i].s1,&p[i].s2,&p[i].s3);
if(p[i].s1>max)
{
max=p[i].s1;
loc=i;
}
}
for(int i=0;i<n;++i)
{
if(p[i].s2>p[loc].s2) rank2++;
if(p[i].s3>p[loc].s3) rank3++;
}
printf("%s %d %d",p[loc].name,rank2,rank3);
free(p);
return 0;
}
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