77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
#define _XOPEN_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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int ValidateTime(int dd , int mm , int yy)
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{
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if(mm>=1 && mm<=12)
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{
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if((dd>=1 && dd<=31) && (mm==1 || mm==3 || mm==5 || mm==7 || mm==8 || mm==10 || mm==12))
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return 1;
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else if((dd>=1 && dd<=30) && (mm==4 || mm==6 || mm==9 || mm==11))
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return 1;
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else if((dd>=1 && dd<=28) && (mm==2))
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return 1;
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else if(dd==29 && mm==2 && (yy%400==0 ||(yy%4==0 && yy%100!=0)))
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return 1;
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else
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return 0;
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}
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else
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{
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return 0;
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}
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}
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int main()
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{
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char dateStr[11];
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struct tm t;
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int dd = 0, mm = 0, yy = 0;
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fgets(dateStr, 11, stdin);
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sscanf(dateStr , "%d.%d.%d" , &dd,&mm,&yy);
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if(!ValidateTime(dd,mm,yy)){
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printf("Nespravny datum\n");
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return 0;
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}
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char* res = strptime(dateStr, "%d.%m.%Y", &t);
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if (res == NULL) {
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printf("Nespravny datum\n");
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return 0;
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}
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t.tm_mday += 7;
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t.tm_sec = 0;
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t.tm_min = 0;
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t.tm_hour = 0;
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time_t mid = mktime(&t);
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struct tm* t2 = localtime(&mid);
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if(t2->tm_mday < 10){
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if(t2->tm_mon + 1 < 10){
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printf(" %d.0%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
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} else{
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printf(" %d.%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
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}
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} else{
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if(t2->tm_mon + 1 < 10){
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printf("%d.0%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
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} else{
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printf("%d.%d.%d\n\n", t2->tm_mday, t2->tm_mon + 1, t2->tm_year + 1900);
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}
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}
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return 0;
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}
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