nihonium
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mipt_clang
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nihonium 3 years ago
parent d85ee21d5b
commit 3a8fbfd762

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#include <stdio.h>
#include <math.h>
#define THR 32
#define MEM 128
#define REG 2
#define MAXTHR 1536
#define MAXMEM 49152
#define MAXREG 32768
int check_use(int x, const int frac);
int main() {
int reg, thr, mem;
int nbreg, nbmem, nbthr;
int nthr;
int min = 0;
freopen("cuda.in", "r", stdin);
#ifndef _DEBUG
freopen("cuda.out", "w", stdout);
#endif
scanf("%d %d %d", &thr, &reg, &mem);
nthr = check_use(thr, THR);
nbthr = (int) MAXTHR / nthr;
nbreg = (int) MAXREG / (nthr*check_use(reg, REG));
nbmem = (int) MAXMEM / check_use(mem, MEM);
if ((nbthr <= nbreg) && (nbthr <= nbmem))
min = nbthr;
else if ((nbreg <= nbthr) && (nbreg <= nbmem))
min = nbreg;
else if ((nbmem <= nbthr) && (nbmem <= nbreg))
min = nbmem;
#ifdef _DEBUG
printf("used: %d %d %d\n", check_use(thr, THR), nthr*check_use(reg, REG), check_use(mem, MEM));
printf("By threads: %d, by registers: %d, by memory: %d\n", nbthr, nbreg, nbmem);
#endif
printf("%d", (int)round((thr*min*100)/(double)MAXTHR));
return 0;
}
int check_use(int x, const int frac) {
int real_x = frac;
while (1) {
real_x += frac;
if (real_x >= x) {
x = real_x;
break;
}
}
#ifdef _DEBUG
printf("%d %d\n", x, real_x);
#endif
return x;
}

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#include <stdint.h>
#include <stdio.h>
typedef uint8_t byte;
typedef uint16_t word;
typedef uint16_t adr;
byte mem[1 << 16];
byte b_read (adr a) {
return mem[a];
}
void b_write (adr a, byte val) {
mem[a] = val;
}
word w_read (adr a) {
return *(word*)&mem[a];
}
void w_write (adr a, word val) {
*(word*)&mem[a] = val;
}
void load_file() {
adr a;
int n, i;
byte x;
while(scanf("%hx %x", &a, &n) != EOF) {
//printf("%x", n);
for (i = 0; i < n; ++i) {
//printf("number %d\n", i);
scanf("%hhx", &x);
b_write(a+i, x);
//printf("Read %hx\n", mem[a+2*i]);
}
}
}
void mem_dump(adr start, word n) {
for (int i = 0; i < n; i+=2) {
//printf("%d:read from %hx: %hx\n", i,start+i, *(word*)&mem[start+i]);
printf("%06ho : %06ho\n", start+i, *(word*)&mem[start+i]);
}
}
//int main() {
// load_file();
// mem_dump(0x40, 4);
//}

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#include <stdio.h>
#include <stdlib.h>
int main() {
unsigned N, i, page_n, log;
scanf("%u", &N);
unsigned *mem = (unsigned*)calloc(N, sizeof(unsigned));
for (i = 0; i < N; ++i) {
scanf("%x", &mem[i]);
}
scanf("%x", &log);
page_n = (log >> 26) & 0b111111;
if (page_n < N) {
printf("%x", mem[page_n]+(log << 6 >> 6));
}
else {
printf("error");
}
free(mem);
return 0;
}