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#include <stdio.h> | |
#include <stdlib.h> | |
#ifdef __WANT_HACK__ | |
# include <sys/resource.h> | |
#endif | |
int main(){ | |
#ifdef __WANT_HACK__ | |
struct rlimit myLimit = { | |
.rlim_cur = RLIM_INFINITY, | |
.rlim_max = RLIM_INFINITY | |
}; | |
setrlimit(RLIMIT_AS, &myLimit); | |
#endif | |
int *buf = malloc(1026u * 1024 * 1024); // alloc >1G | |
if(!buf){ | |
perror("malloc"); | |
exit(-1); | |
} | |
FILE *fin = fopen("plus.in", "r"); | |
FILE *fout = fopen("plus.out", "w"); | |
fscanf(fin, "%d%d", buf, buf+1024); | |
fprintf(fout, "%d\n", buf[0] + buf[1024]); | |
return 0; | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <time.h> | |
#ifdef __WANT_HACK__ | |
# include <unistd.h> | |
# include <sys/types.h> | |
# include <sys/wait.h> | |
#endif | |
int main(){ | |
volatile int a, b; | |
volatile int c; | |
FILE *fin = fopen("plus.in", "r"); | |
FILE *fout = fopen("plus.out", "w"); | |
fscanf(fin, "%d%d", &a, &b); | |
#ifdef __WANT_HACK__ | |
int comm_pipe[2]; | |
pipe(comm_pipe); | |
pid_t chld = fork(); | |
if(chld > 0){ | |
close(comm_pipe[1]); | |
waitpid(chld, NULL, 0); | |
char dummyBuf[1]; | |
read(comm_pipe[0], dummyBuf, 1); | |
}else{ | |
close(comm_pipe[0]); | |
pid_t gchld = fork(); | |
if(gchld > 0){ | |
return 0; | |
} | |
#endif | |
clock_t init = clock(); | |
while(1){ | |
for(int j = 0; j < 1000; j++){ | |
for(int k = 0; k < 1000; k++){ | |
c = a + b; | |
} | |
} | |
clock_t now = clock(); | |
if((now - init + 0.0)/CLOCKS_PER_SEC > 1.2){ | |
break; | |
} | |
} | |
fprintf(fout, "%d\n", c); | |
#ifdef __WANT_HACK__ | |
close(comm_pipe[1]); | |
} | |
#endif | |
return 0; | |
} |
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