61 строка
1.0 KiB
C
61 строка
1.0 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include "IntConstantInitializedVector.h"
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int intCIV_isInitialized(int_CIVector * v, int i)
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{
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if(v->top == 0)
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return 0;
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if(v->from[i] >= 0)
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if(v->from[i] < v->top && v->to[v->from[i]] == i)
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return 1;
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return 0;
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}
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void intCIV_init(int_CIVector * v, int size, int init_value)
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{
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v->init_value = init_value;
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v->size = size;
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v->top = 0;
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v->to = malloc(sizeof(int)*size);
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v->from = malloc(sizeof(int)*size);
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v->vec = malloc(sizeof(int)*size);
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}
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void intCIV_exit(int_CIVector * v)
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{
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free(v->to);
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free(v->from);
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free(v->vec);
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}
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int intCIV_set(int_CIVector * v, int i, int val)
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{
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if(v == NULL)
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return -1;
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if(i < 0 || i >= v->size)
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return -1;
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if(!intCIV_isInitialized(v,i))
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{
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v->from[i] = v->top;
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v->to[v->top] = i;
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v->top++;
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}
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v->vec[i] = val;
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return 0;
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}
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int intCIV_get(int_CIVector * v, int i)
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{
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if(v == NULL)
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return -1;
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if(i < 0 || i >= v->size)
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return -1;
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if(intCIV_isInitialized(v,i))
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return v->vec[i];
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return v->init_value;
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}
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