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# include <stdio.h> # include <string.h> main() { FILE *fp; char in[100]; long int freq[257]; int i; printf("\nFile frequency table generator\n\n"); printf("\nInput file:"); scanf("%s",in); fp=fopen(in,"rb"); if(fp==NULL) { printf("\nCould not open input file.Aborting\n"); return 1; } for(i=0;i<257;i++) freq[i]=0; while(i=fgetc(fp),i!=EOF) { freq[i]++; } fcloseall(); fp=fopen("count.txt","w"); fprintf(fp,"\nCharacter frequency table of %s\n",in); fprintf(fp,"\nCharacter ASCII frequency\n\n"); for(i=0; i<256; i++) {…

[codes=c]#include #include #include #include #define MAX 100#define TOAN 0#define LY   1#define HOA  2 struct sinhvien {  char mslop[5];  char hoten[35];  float diem[3];} danhsach[MAX];int n = 0; void nhapmoi(){  char mslop[5], tmp[3];  int i;  float diem[3];  do {    printf("\nCho biet ma so lop : ");    gets(mslop);    if (strlen(mslop))    {      strcpy(danhsach[n].mslop, mslop);      printf("\nCho biet ho ten : ");      gets(danhsach[n].hoten);      printf("\nCho biet diem so : ");      for (i=0; i<3; i++)      {        scanf("%f", &diem[i]);        danhsach[n].diem[i] = diem[i];      }      gets(tmp);      n++;    }  } while (strlen(mslop));}…

#include <stdio.h> void main() { int a[10], i, maxstart, maxend, maxlen, tmpstart, tmpend, tmplen; printf("\nNhap vao 10 phan tu nguyen cua day :"); for (i = 0; i < 10; i++) scanf("%d", & a[i]); printf("Day da cho :\n"); for (i = 0; i < 10; i++) printf("%6d", a[i]); maxstart = maxend = tmpstart = tmpend…

#include <stdio.h> #include <math.h> void main() { double a, xn, ketqua; printf("\nNhap vao so muon tinh can bac hai : "); scanf("%lf", &a); xn = (a+1)/2; do { ketqua = xn; xn = 0.5 * (xn + a/xn); } while (fabs(xn-ketqua) > 0.0001); printf("\nKet qua = %lf", xn); getch(); }

#include <stdio.h> #include <math.h> void main() { double a, xn, ketqua; printf("\nNhap vao so muon tinh can bac hai : "); scanf("%lf", &a); xn = (a+1)/2; do { ketqua = xn; xn = 0.5 * (xn + a/xn); } while (fabs(xn-ketqua) > 0.0001); printf("\nKet qua = %lf", xn); getch(); }

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