Difference between r1.1 and the current
@@ -27,7 +27,63 @@
= 이민욱 =
== 최단경로 ==
{{{
== 선수과목 ==
{{{
== 최단경로 ==
{{{
(코드를 여기에)
#include <stdio.h>
#include <vector>
#include <queue>
using namespace std;
int V, E, K;
int dist[20001];
queue<int> q;
vector<pair<int, int>> edge[20001]; //index : from, first : to, second: cost
int main(){
scanf("%d %d", &V, &E);
scanf("%d", &K);
for(int i=1;i<=V;i++){
dist[i] = -1;
q.push(i);
}
dist[K] = 0;
for(int i=0;i<E;i++) {
int u, v, w;
scanf("%d %d %d", &u, &v, &w);
edge[u].push_back(make_pair(v, w));
if(u == K){
dist[v]= w;
}
}
while(!q.empty()){
int i = q.front();
q.pop();
int length = edge[i].size();
for (int j = 0; j < length; j++) {
if (dist[i] != -1) {
if(dist[edge[i][j].first]==-1){
dist[edge[i][j].first] = dist[i]+edge[i][j].second;
q.push(edge[i][j].first);
}
if (dist[i] + edge[i][j].second < dist[edge[i][j].first]) {
dist[edge[i][j].first] = dist[i] + edge[i][j].second;
q.push(edge[i][j].first);
}
}
}
}
for(int i=1;i<=V;i++){
if(dist[i]==-1){
printf("INF\n");
}
else{
printf("%d\n", dist[i]);
}
}
return 0;
}
}}}== 선수과목 ==
{{{
@@ -35,11 +91,93 @@
}}}
== 수 정렬하기 2 ==
{{{
== 수 정렬하기 3 ==
{{{
= 정석우 =
== 수 정렬하기 2 ==
{{{
(코드를 여기에)
#include <stdio.h>
#include <stdlib.h>
void MergeSort(int DataSet[], int StartIndex, int EndIndex);
void Merge(int DataSet[], int StartIndex, int MiddleIndex, int EndIndex);
int main(){
int N;
int Input[1000010];
int i;
scanf("%d", &N);
for(i=0;i<N;i++){
scanf("%d", &Input[i]);
}
MergeSort(Input, 0, N-1);
for(i=0;i<N;i++){
printf("%d\n", Input[i]);
}
return 0;
}
void MergeSort(int DataSet[], int StartIndex, int EndIndex){
int MiddleIndex;
if(EndIndex - StartIndex < 1)
return;
MiddleIndex = (StartIndex + EndIndex) / 2;
MergeSort(DataSet, StartIndex, MiddleIndex);
MergeSort(DataSet, MiddleIndex+1, EndIndex);
Merge(DataSet, StartIndex, MiddleIndex, EndIndex);
}
void Merge(int DataSet[], int StartIndex, int MiddleIndex, int EndIndex){
int i;
int LeftIndex = StartIndex;
int RightIndex = MiddleIndex + 1;
int DestIndex = 0;
int * Destination = (int*)malloc(sizeof(int)*(EndIndex- StartIndex +1));
while(LeftIndex <= MiddleIndex && RightIndex <= EndIndex){
if(DataSet[LeftIndex] < DataSet[RightIndex]){
Destination[DestIndex] = DataSet[LeftIndex];
LeftIndex++;
}
else{
Destination[DestIndex] = DataSet[RightIndex];
RightIndex++;
}
DestIndex++;
}
while(LeftIndex <= MiddleIndex)
Destination[DestIndex++] = DataSet[LeftIndex++];
while(RightIndex <= EndIndex)
Destination[DestIndex++] = DataSet[RightIndex++];
DestIndex = 0;
for(i= StartIndex; i <= EndIndex ; i++){
DataSet[i] = Destination[DestIndex++];
}
free(Destination);
}
}}}== 수 정렬하기 3 ==
{{{
(코드를 여기에)
#include <stdio.h>
int Number[10010];
int main(){
int N, a;
scanf("%d", &N);
for(int i =0; i<N;i++){
scanf("%d", &a);
Number[a]++;
}
for(int i=0;i<10010;i++){
for(int j=0;j<Number[i];j++){
printf("%d\n", i);
}
}
return 0;
}
}}}= 정석우 =
3.1. 최단경로 ¶
#include <stdio.h> #include <vector> #include <queue> using namespace std; int V, E, K; int dist[20001]; queue<int> q; vector<pair<int, int>> edge[20001]; //index : from, first : to, second: cost int main(){ scanf("%d %d", &V, &E); scanf("%d", &K); for(int i=1;i<=V;i++){ dist[i] = -1; q.push(i); } dist[K] = 0; for(int i=0;i<E;i++) { int u, v, w; scanf("%d %d %d", &u, &v, &w); edge[u].push_back(make_pair(v, w)); if(u == K){ dist[v]= w; } } while(!q.empty()){ int i = q.front(); q.pop(); int length = edge[i].size(); for (int j = 0; j < length; j++) { if (dist[i] != -1) { if(dist[edge[i][j].first]==-1){ dist[edge[i][j].first] = dist[i]+edge[i][j].second; q.push(edge[i][j].first); } if (dist[i] + edge[i][j].second < dist[edge[i][j].first]) { dist[edge[i][j].first] = dist[i] + edge[i][j].second; q.push(edge[i][j].first); } } } } for(int i=1;i<=V;i++){ if(dist[i]==-1){ printf("INF\n"); } else{ printf("%d\n", dist[i]); } } return 0; }
3.3. 수 정렬하기 2 ¶
#include <stdio.h> #include <stdlib.h> void MergeSort(int DataSet[], int StartIndex, int EndIndex); void Merge(int DataSet[], int StartIndex, int MiddleIndex, int EndIndex); int main(){ int N; int Input[1000010]; int i; scanf("%d", &N); for(i=0;i<N;i++){ scanf("%d", &Input[i]); } MergeSort(Input, 0, N-1); for(i=0;i<N;i++){ printf("%d\n", Input[i]); } return 0; } void MergeSort(int DataSet[], int StartIndex, int EndIndex){ int MiddleIndex; if(EndIndex - StartIndex < 1) return; MiddleIndex = (StartIndex + EndIndex) / 2; MergeSort(DataSet, StartIndex, MiddleIndex); MergeSort(DataSet, MiddleIndex+1, EndIndex); Merge(DataSet, StartIndex, MiddleIndex, EndIndex); } void Merge(int DataSet[], int StartIndex, int MiddleIndex, int EndIndex){ int i; int LeftIndex = StartIndex; int RightIndex = MiddleIndex + 1; int DestIndex = 0; int * Destination = (int*)malloc(sizeof(int)*(EndIndex- StartIndex +1)); while(LeftIndex <= MiddleIndex && RightIndex <= EndIndex){ if(DataSet[LeftIndex] < DataSet[RightIndex]){ Destination[DestIndex] = DataSet[LeftIndex]; LeftIndex++; } else{ Destination[DestIndex] = DataSet[RightIndex]; RightIndex++; } DestIndex++; } while(LeftIndex <= MiddleIndex) Destination[DestIndex++] = DataSet[LeftIndex++]; while(RightIndex <= EndIndex) Destination[DestIndex++] = DataSet[RightIndex++]; DestIndex = 0; for(i= StartIndex; i <= EndIndex ; i++){ DataSet[i] = Destination[DestIndex++]; } free(Destination); }